Sinclair

This page contains a draft genealogy of the clan Sinclair, sometime Earls of Caithness. For further information on each individual and their immediate families, click their names. Persons married in to the family, when clicked, will direct to the draft genealogy of that family.

This page has been split into the following parts:

Part 1: Sinclair Earls of Caithness, Assery, Geise, Rattar, Lybster, Mey, Murkle, Scotscalder, Stemster, Dunbeath, Freswick.

Part 2: Sinclairs of Dun, and Southdun.

Part 3: Sincalirs of Forss and Freswick.

***** Part 1 - Sinclair Earls of Caithness, Assery, Geise, Rattar, Lybster, Mey, Murkle, Scotscalder, Stemster, Dunbeath, ........ *****

A1. William Sinclair, 1st Earl of Caithness, m. 1stly Elizabeth (Margaret?), daughter of Archibald, 4th Earl of Douglas; m. 2ndly Marjorie, daughter of Alexander Sutherland of Dunbeath.
  • B1. *by 1* William the Waster, from whom the Lords of Sinclair.
  • B2. *by 1* Catharine, m. Alexander, Duke of Albany.
  • B3. *by 2* Sir Oliver Sinclair of Roslyn.
  • B4. *by 2* William Sinclair, 2nd Earl of Caithness, m. Mary, daughter of Sir William Keith of Inverugie.
    • C1. John Sinclair, 3rd Earl of Caithness, killed in 1529, m. Elizabeth, daughter of Sir William Sutherland of Duffus.
      • D1. William Sinclair, d. 1527, without issue.
      • D2. George Sinclair, 4th Earl of Caithness, m. Elizabeth, daughter of William Graham, Earl of Montrose.
        • E1. John Sinclair, Master of Caithness, m. Jean, daughter of Patrick, Earl of Bothwell.
          • F1. George Sinclair, 5th Earl of Caithness, m. Jean Gordon, daughter of George, 5th Earl of Huntly.
            • G1. William Sinclair, Lord of Berriedale, m. Mary, daughter of Henry, Lord Sinclair.
              • H1. John Sinclair, Master of Berriedale, m. Jean, daughter of the Earl of Seaforth.
                • I1. George Sinclair, 6th Earl of Caithness, m. Mary, daughter of the Marquis of Argyle; no issue.
                • I2. John Sinclair.
                • I3. William Sinclair.
              • H2. Francis Sinclair of Northfield, m. Elizabeth, daughter of Lord Fraser.
                • I1. George Sinclair of Keiss, 7th Earl of Caithness, d. 1698 without issue.
                • I2. Jean Sinclair, Lady Mey, d. 1716.
                • I3. *illeg.* Margaret Sinclair, m. John, son of Alexander Sutherland of Lybster.
              • H3. *illeg.* Francis Sinclair, from whom the Sinclairs of Stirkoke.
              • H4. *illeg.* John Sinclair, Lieutenant-Colonel.
          • F2. John Sinclair, 1st of Murkle, m. Elizabeth Stewart, daughter of Robert Stewart, Earl of Strathearn, an illeg. son of King James V.
            • G1. James Sinclair, 2nd of Murkle, m. 1stly Margaret Dundas; m. 2ndly Jean, daughter of William Stewart of Burray.
              • H1. *by 2* John Sinclair, 8th Earl of Caithness, m. Jean Carmichael of Hyndford.
                • I1. Alexander Sinclair, 9th Earl of Caithness, m. Margaret Primrose, daughter of the 1st Earl of Rosebery.
                  • J1. Dorothea Sinclair, d. 1819, m. James, Earl of Fife.
                  • J2. *illeg.* George Sinclair in Geise.
                  • J3. *illeg.* Peter Sinclair.
                    • K1. James Sinclair, d. without issue.
                    • K2. A further seven daughters, six of which married and had issue.
                • I2. John Sinclair, Lord of Murkle, d. without issue.
                • I3. Francis Sinclair, of Milton, d. without issue.
                • I4. Archibald Sinclair.
                • I5. Janet Sinclair, m. 1714 to David Sinclair of Southdun.
              • H2. *by 2* David Sinclair of Broynach, m. a daughter of William Sinclair of Dun; had a mistress, Janet Ewing.
                • I1. James Sinclair, d. abt. 1754 without issue.
                • I2. Elizabeth Sinclair, m. James Whyte, in Thurso.
                  • J1. Henrietta Whyte, m. William Miller.
                    • K1. James Miller.
                    • K2. Isabella Miller.
                  • J2. Jean Whyte, m. Donald Oagg, merchant of Thurso.
                    • K1. James Oagg.
                    • K2. Donald Oagg.
                    • K3. Janet Oagg.
                    • K4. Anne Oagg.
                • I3. *by mistress* David Sinclair, m. Margaret More or McKay.
                  • J1. James Sinclair of Reiss.
                  • J2. John Sinclair, d. aft. 1767.
                • I4. *by mistress* Donald Sinclair, married and had issue one son and four daughters, all dead bef. 1767, and:
                  • J1. Anne Sinclair, m. Alexander Millis, a merchant at Banff.
              • H3. *by 2* Jean Sinclair.
              • H4. *by 2* Mary Sinclair, m. 1stly George Sinclair of Forss; m. 2ndly William Sutherland of Geiss.
              • H5. *by 2* Anne Sinclair, m. Alexander Sinclair of Stemster.
              • H6. *by 2* Barbara Sinclair, m. James Cunningham of Reaster.
              • H7. *by 2* Katharine Sinclair, m. Walter Innes of Skaill.
            • G2. Francis Sinclair, m. Janet, daughter of Alexander Sutherland of Forse.
              • H1. James Sinclair, d. without issue.
            • G3. Agnes Sinclair, m. John McKay of Dirlot.
            • G4. *illeg.* John Sinclair, 1st of Assery, m. 1stly N. N.; m. 2ndly Margaret Davidson, probably of Achingillis.
              • H1. *by 1* James Sinclair, 2nd of Assery, m. 1stly Elizabeth Balfour; m. 2ndly Margaret, daughter of David Munro.
                • I1. *by 1* George Sinclair, 3rd of Assery, m. 1stly N. N.; m. 2ndly Isabel, daughter of Patrick Sinclair of Ulbster.
                  • J1. *by 1* James Sinclair.
                  • J2. *by 1* John Sinclair, 4th of Assery, m. 1stly Elizabeth Innes (in her 2nd marriage; m. 1stly Laurence Calder of Lynegar); m. 2ndly Barbara, daughter of Patrick Murray of Pennyland..
                    • K1. *by 1* John Sinclair, 5th of Assery, m. Katharine, daughter of Robert Sinclair of Geise.
                      • L1. Robert Sinclair, 6th of Assery, Captain, d. without issue; m. Katharine Sinclair.
                      • L2. John Sinclair.
                      • L3. Charles Sinclair.
                      • L4. James Sinclair.
                      • L5. Isabella Sinclair, m. Robert Manson Sinclair of Bridgend.
                      • L6. Katharine Sinclair.
                      • L7. Jean Sinclair, m. Sir Benjamin Sinclair of Stemster.
                    • K2. *by 2* Isabella Sinclair, m. John Sinclair of Scotscalder.
                  • J3. *by 1* Patrick Sinclair.
                  • J4. *by 2* George Sinclair.
                  • J5. *by 2* Francis Sinclair.
                  • J6. *by ?* Elizabeth Sinclair, m. Richard Sinclair of Thura.
                • I2. *by ?* John Sinclair of Ulgrimbeg, m. Bess Craigie.
                • I3. *by ?* James Sinclair, merchant of Thurso, d. 1713.
                  • J1. Daniel Sinclair, minister at Longformacus.
                  • J2. William Sinclair, merchant at Thurso.
                  • J3. Alexander Sinclair, notary-public in Thurso, m. Jean, daughter of James Sinclair of Wester-Brims.
                • I4. *by ?* Katharine Sinclair, m. Alexander Gibson, dean of Bower.
              • H2. *by 1* Francis Sinclair, Lieutenant-Colonel, m. Anna, daughter of Francis Sinclair of Stirkoke.
                • I1. Margaret Sinclair, m. David Henderson of Gersay.
              • H3. *by 2* John Sinclair, 1st of Lybster, m. Beatrix Sinclair.
                • I1. James Sinclair, 2nd of Lybster, m. Katharine, daughter of Patrick Sinclair of Ulbster.
                  • J1. John Sinclair, 3rd of Lybster, d. without issue.
                  • J2. Patrick Sinclair, in Northfield.
                    • K1. Alexander Sinclair, 4th of Lybster, m. Æmilia Sinclair, daughter of Alexander Sinclair of Sixpenny.
                      • L1. Patrick Sinclair, 5th of Lybster, Lieutenant-General, m. Catharine Stewart.
                        • M1. Temple Frederick Sinclair, 6th and last of Lybster, d. without issue.
                        • M2. Jeffrey Sinclair, surgeon-general, had issue two daughters.
                        • M3. Thomas Aubrey Sinclair, d. unmarried.
                        • M4. Patrick Sinclair, d. unmarried.
                        • M5. Susan Sinclair, d. 1845, m. David Laing, surgeon at Thurso.
                      • L2. Katharine Sinclair, m. James Sinclair of Harpsdale (in his 3rd marriage).
                      • L3. Margaret Sinclair, d. unmarried.
                      • L4. Æmilia Sinclair, d. unmarried.
                  • J3. William Sinclair of Hoy and 1st of Scotscalder.
                    • K1. Alexander Sinclair, may be the same as Alexander Sinclair of Sixpenny.
                    • K2. John Sinclair, 2nd of Scotscalder, m. 1731 to Isabella Sinclair, daughter of John Sinclair, 4th of Assery.
                      • L1. William Sinclair.
                      • L2. Robert Sinclair, 3rd and last of Scotscalder.
                        • K1. James Sinclair, Lieutenant-Colonel.
                        • K2. a daughter, m. Mr. Aitken.
                        • K3. a daughter, m. Mr. Steel, excise officer.
                      • L3. Isabella Sinclair, d. 1829, bur. Pennyland chapel, m. Thomas Dunbar of Westfield, Captain (in his 2nd marriage).
                        • M1. James Dunbar, m. a daughter of Rev. Mr. Cameron, without issue.
                        • M2. Alexander Dunbar of Scrabster, d. 1859 unmarried.
                        • M3. Isabella Dunbar, m. N. N. Robinson.
                          • N1. Barbara Robinson.
                        • M4. Barbara Dunbar, m. N. N. Guthrie.
                          • N1. Charles Seton Guthrie of Scotscalder, Colonel.
                          • N2. James Baillie Guthrie.
                          • N3. Catharine Guthrie, m. N. N. McGregor.
                      • L4. Barbara Sinclair, m. William Sinclair of Rattar, 10th Earl of Caithness.
                      • L5. Margaret Sinclair.
                      • L6. Catharine Sinclair.
                    • K3. Robert Sinclair.
                    • K4. Janet Sinclair, m. contr. 29 Apr 1731 John McKay, 3rd of Strathy.
                      • L1. Margaret McKay, m. Patrick Honyman of Graemsay.
                      • L2. Barbara McKay, m. John Scobie of Melness, Major.
                    • K5. Barbara Sinclair.
                  • J4. Robert Sinclair of Geise, d. 1742, m. Catharine Ross (in her 2nd marriage; m. 1stly George McKay of Bighouse; she d. abt. 1757), daughter of William Ross of Kindeace.
                    • K1. Katharine Sinclair, m. John Sinclair of Assery.
                    • K2. Jean Sinclair, m. James Sinclair of Holbornhead and Forss.
                    • K3. Barbara Sinclair, m. Dr. William Sinclair, physician in Thurso.
                    • K4. Mary Sinclair, m. Patrick Doull of Oldfield, merchant at Thurso.
                      • L1. Alexander Doull, d. unmarried when his ship blew up in the East Indies.
                  • J5. George Sinclair.
                  • J6. Beatrix Sinclair, m. 1707 to James Sutherland in Ausdale.
                  • J7. Elizabeth Sinclair, m. John McKay in Kirtomy.
                • I2. George Sinclair.
                  • J1. Beatrix Sinclair, m. Alexander Sinclair of Sixpennyland.
                • I3. Elizabeth Sinclair, m. Alexander Boynd in Thurso.
              • H4. *by 2* William Sinclair of Forsie, m. Jean, daughter of William Sinclair of Dun.
                • I1. Mary Sinclair, m. 1705 [this date seems to be far too late for Mary to be the niece of a woman who married in 1616, cf. Janet's marriage date below. -Five Gateways] to Donald Gunn of Achalibster.
                • I2. Elizabeth Sinclair.
              • H5. *by 2* George Sinclair.
              • H6. *by 2* Grizzel Sinclair, m. John Doull of Thuster.
              • H7. *by 2* Isabell Sinclair, m. 1stly Arthur Forbes, merchant at Edinburgh; m. 2ndly William Sinclair of Dun.
              • H8. *by 2* Janet Sinclair, m. 1616 to George Munro, Sheriff-Clerk of Caithness.
          • F3. John Sinclair, 1st of Greenland and Rattar, m. Janet Sutherland, probably of Forse.
            • G1. William Sinclair, drowned at Risgill.
            • G2. Alexander Sinclair, d. without issue.
            • G3. John Sinclair, d. without issue.
            • G4. James Sinclair, or Reaster and Rattar, 2nd of Rattar, m. Janet, daughter of William Bruce of Stanstill.
              • H1. William Sinclair, 3rd of Rattar, m. 1stly 1642 to Elizabeth, daughter of John Sinclair, 1st of Ulbster; m. 2ndly Jean, daughter of John Cunningham of Geise and Brownhill (in her 2nd marriage; m. 1stly Alexander Sinclair of Latheron).
                • I1. *by 1* John Sinclair, 4th of Rattar, m. Elizabeth Sinclair, daughter of Sir William Sinclair of Mey.
                  • J1. John Sinclair, 5th of Rattar, m. Janet, daughter of Patrick Sinclair of Southdun.
                    • K1. John Sinclair, d. unmarried.
                    • K2. William Sinclair, 6th of Rattar, m. Barbara, daughter of John Sinclair of Scotscalder.
                      • L1. John Sinclair, 11th Earl of Caithness, d. unmarried 1789.
                      • L2. William Sinclair, d. unmarried in America.
                      • L3. James Sinclair, d. young.
                      • L4. Alexander Sinclair, d. young.
                      • L5. David Sinclair, d. young.
                      • L6. Isabella Sinclair, d. unmarried.
                      • L7. Janet Sinclair, m. James Traill of Rattar.
                  • J2. William Sinclair, 4th of Freswick, m. Katharine, daughter of George Sutherland of Forse.
                    • K1. John Sinclair, 5th of Freswick, m. 1stly Margaret, daughter of John Dalrymple of Cousland; m. 2ndly Margaret, daughter of James Moray of Abercairney.
                      • L1. *by 1* William Sinclair, Lieutenant, d. v. p.
                      • L2. *by 1* Kitty Sinclair, d. aged 15.
                    • K2. Elizabeth Sinclair, m. George Bean, writer in Inverness.
                    • K3. Jean Sinclair, m. Alexander Sinclair of Barrock.
                  • J3. Barbara Sinclair, m. John Sinclair of Forss.
                  • J4. Frances Sinclair, m. James Sinclair of Latheron.
                  • J5. Margaret Sinclair, m. 1stly Alexander Sinclair of Brabster; m. 2ndly Alexander Gibson, minister of Canisbay.
                  • J6. Katharine Sinclair, m. George Manson of Bridgend.
                • I2. *by 2* James Sinclair, 1st of Freswick, d. abt 1696 in France.
                • I3. *by 2* Robert Sinclair, 2nd of Freswick.
                • I4. *by 2* David Sinclair, 3rd of Freswick, m. 1stly Barbara, daughter of William Sinclair of Mey; m. 2ndly Sophia, daughter of William Stewart of Burray. No issue by either marriage.
                • I5. *by 2* Janet Sinclair, m. 1stly Robert Sinclair of Durran; m. 2ndly John Campbell of Castlehill.
              • H2. John Sinclair, d. without issue.
              • H3. Janet Sinclair, m. Walter Bruce of Hain.
              • H4. Margaret Sinclair, m. 1655 to John Smith, son of William Smith, minister of Dunnet.
              • H5. Elizabeth Sinclair, m. abt. 1652 to William Bruce of Stanstill.
            • G5. Francis Sinclair, d. without issue.
            • G6. Elizabeth Sinclair, m. John Cunningham of Geise and Brownhill.
            • G7. *illeg.* George Sinclair.
          • F4. Agnes Sinclair.
          • F5. *illeg.* Henry Sinclair, of Borrowstown and Lybster, m. Janet Sutherland.
            • G1. John Sinclair of Lybster.
        • E2. William Sinclair, 1st of Mey, d. unmarried but had illegitimate issue:
          • F1. Patrick Sinclair, 1st of Ulbster, d. without issue.
          • F2. John Sinclair, 2nd of Ulbster, m. 1stly Jean Chisholm; m. 2ndly Katharine Stewart.
            • G1. *by 1* Patrick Sinclair, 3rd of Ulbster, m. Elizabeth, daughter of John McKar of Strathy and Dirlot.
              • H1. John Sinclair, 4th of Ulbster, m. Janet, daughter of William Sinclair of Rattar, but died without issue.
              • H2. Sir George Sinclair of Bilbster and Clyth, m. Jean, daughter of William Sinclair of Dunbeath but d. without legit. issue.
                • I1. *illeg.* Jean Sinclair, m. William Sinclair, younger of Thrumster.
                • I2. *illeg.* Mary Sinclair.
                • I3. *illeg.* Anne Sinclair.
              • H3. Anne Sinclair, m. Francis Sinclair of Stirkoke.
              • H4. Elizabeth Sinclair, m. 1660 o John Sinclair of Brabster.
              • H5. Mary Sinclair, m. 1675 to Sir Robert Dunbar of Northfield.
              • H6. Isabel Sinclair, m. 1673 to George, son of James Sinclair of Assery.
              • H7. Margaret Sinclair, m. 1679 to Hugh McKar of Carinloch.
              • H8. Jean Sinclair, m. Angus McKay, apparent of Bighouse.
              • H9. Katharine Sinclair, m. James Sinclair of Lybster.
            • G2. *by 1* George Sinclair, merchant at Leith.
            • G3. *by 1* Henrietta Sinclair, m. William Abernethy, minister of Halkirk, later Thurso.
            • G4. *by 2* John Sinclair of Tannach and Brims, m. Ann Goldman.
              • H1. John Sinclair, 5th of Ulbster, m. 1stly Jean Munro of Culrain; m. 2ndly Jean Cores.
                • I1. John Sinclair, 6th of Ulbster, d. 1736, m. Henrietta, daughter of George Brodie of Brodie.
                  • J1. George Sinclair, 7th of Ulbster, d. 1776, m. Janet, daughter of Lord Strathnaver.
                    • K1. Sir John Sinclair of Ulbster, b. 1754, 1st Baronet of Ulbster, m. 1stly 1776 to Sarah, daughter of Alexander Maitland of Stoke Newington; m. 2ndly 1788 to Diana, daughter of Alexander, 1st Lord Macdonald.
                    • K2. Helen Sinclair, m. Alexander Campbell of Barcaldine.
                    • K3. Mary Sinclair, m. James Homerigg of Gamalshiels.
                    • K4. Janet Sinclair, m. William Baillie of Polkemmet, Lord Polkemmet.
                  • J2. James Sinclair of Harpsdale, m. 1stly to Marjory, daughter of David Sinclair of Southdun; m. 2ndly Mally Sutherland; m. 3rdly Katharine, daughter of Alexander Sinclair of Lybster.
                    • K1. *by 1* Henrietta Sinclair of Southdun.
                    • K2. *by 1* Janet Sinclair, m. Colonel Williamson of Banniskirk.
                    • K3. *by 2* Alexander Sinclair, d. young.
                    • K4. *by 2* Katharine Sinclair, m. Major George Williamson.
                    • K5. *by 2* Helen Sinclair, m. Captain David Brodie of Hopeville.
                • I2. Patrick Sinclair of Brims.
                • I3. James Sinclair of Holbornhead.
                • I4. Gustavus Sinclair, merchant at Leith.
                • I5. Sidney Sinclair.
                • I6. Jean Sinclair, m. 1stly Benjamin Dunbar, younger of Hempriggs; m. 2ndly George, 3rd Lord Reay.
                • I7. Elizabeth Sinclair, m. John McKay, 2nd of Strathy.
              • H2. William Sinclair of Thrumster, m. Margaret, daughter of James Innes of Thursater).
              • H3. Charles Sinclair.
              • H4. Jean Sinclair, m. 1stly Francis Sinclair of Dun; m. 2ndly David Sinclair of Southdun.
              • H5. Elizabeth Sinclair, m. William Sinclair of Rattar.
              • H6. *illeg.* James Sinclair in Lythmore.
              • H7. *illeg.* a son.
        • E3. George Sinclair, 2nd of Mey, 1st baronet, chancellor of Caithness, m. Margaret, daughter of William, 7th Lord Forbes.
          • F1. William Sinclair, 3rd of Mey, 2nd baronet, m. Katharine, daughter of George Ross of Balnagown.
            • G1. Sir James Sinclair, 4th of Mey, 3rd baronet, m. Elizabeth, daughter of Patrick, Lord Lindores.
              • H1. John Sinclair, d. young.
              • H2. William Sinclair, 5th of Mey, 4th baronet, m. Margaret, daughter of George, 2nd Earl of Seaforth.
                • I1. James Sinclair, 6th of Mey, 5th baronet, m. 1stly Frances, daughter of Sir John Towers of that Ilk; m. 2ndly Jean, daughter of Francis Sinclair of Northfield (above).
                  • J1. *by 1* James Sinclair, 7th of Mey, 6th baronet, m. Mary, daughter of James, Lord of Duffus.
                    • K1. James Sinclair, 8th of Mey, 7th baronet, m. Margaret, daughter of John Sinclair of Barrock.
                      • L1. John Sinclair, 9th of Mey, 8th baronet, m. Charlotte, daughter of Eric, Lord Duffus.
                        • M1. James Sinclair, 12th Earl of Caithness, m. Jane, daughter of Alexander Campbell of Barcaldine and his wife Helen Sinclair of Ulbster. They had further issue.
                        • M2. Margaret Sinclair, m. the Rev. William Leslie of Darkland.
                          • N1. Archibald Leslie.
                          • N2. Charlotte Leslie, m. Arthur Geddes.
                          • N3. Anne Leslie, m. Charles Black.
                          • N4. Elizabeth Leslie, m. N. N. van Barley, Captain.
                          • N5. Isabella Leslie, m. James Imlach.
                          • N6. Jessie Leslie, m. Peter Dunbar, Colonel.
                          • N7. Mary Leslie, m. Patrick Cameron.
                          • N8. Helen Leslie, m. Peter Brown of Linkwood.
                      • L2. William Sinclair, m. Elizabeth, daughter of Richard Sinclair, merchant of Thurso, son of Alexander Sinclair, last of Dun.
                        • M1. John Sinclair, killed at Waterloo.
                        • M2. Williamina Sinclair, d. unmarried.
                    • K2. William Sinclair.
                    • K3. Kenneth Sinclair.
                    • K4. Margaret Sinclair.
                  • J2. *by 1* Barbara Sinclair, m. Francis Sinclair of Stirkoke.
                  • J3. *illeg.* John Sinclair, of Hollandmake.
                • I2. George Sinclair.
                • I3. Elizabeth Sinclair, m. John Sinclair of Rattar (see above).
                • I4. Barbara Sinclair, m. David Sinclair of Freswick.
                • I5. Mary Sinclair.
              • H3. Robert Sinclair of Durran.
              • H4. James Sinclair of Stangergill, d. without issue.
              • H5. George Sinclair of Olrig.
              • H6. Anne Sinclair, m. George, 1st Earl of Cromarty.
              • H7. Elizabeth Sinclair, m. William Sinclair of Dunbeath.
          • F2. Sir John Sinclair of Geanies and Dunbeath, m. 1stly N. N.; m. 2ndly Christian, daughter of Magnus Mowat of Buchollie.
            • G1. *by ?* Margaret Sinclair, m. Hugh Rose of Kilravock.
            • G2. *by 2* Gemma Sinclair, d. young.
            • G3. *by 2* Christian Sinclair, d. unmarried.
          • F3. James Sinclair, d. young.
          • F4. Alexander Sinclair of Latheron, ancestor of Barrock and Brabster, d. bef. 1647, m. 1632 to Jean, daughter of John Cunningham of Brownhill.
            • G1. William Sinclair of Dunbeath, Latheron, and Geanies, d. 1690, m. 1656 to Elizabeth (d. 1722), daughter of Sir James Sinclair of Mey.
              • H1. Alexander Sinclair, d. without issue.
              • H2. John Sinclair, of Dunbeath, Latheron and Geanies, m. Isabella McKenzie of Ardloch.
                • I1. James Sinclair, m. Frances, daughter of John Sinclair of Rattar.
                  • K1. James Sinclair, last of Latheron, d. 1788 unmarried.
                • I2. William Sinclair, d. without issue.
              • H3. William Sinclair of Stemster, d. 1699, m. Helen Munro, without issue.
              • H4. James Sinclair of Dunbeath, m. 1stly Isabel, daughter of Sir Archibald Muir of Thornton, Provost of Edinburgh; m. 2ndly Isabel, daughter of John Lumsden.
                • I1. *by 1* William Sinclair of Dunbeath and Keiss, m. Charlotte, daughter of Sir James Dunbar of Hempriggs.
                  • J1. Captain Alexander Sinclair, d.v.p., m. Elizabeth, daughter of Eric Sutherland.
                    • K1. Sir Alexander Sinclair, d. at sea in 1786, without issue.
                  • J2. Kennedy Muir Sinclair, d. without issue.
                • I2. *by 1* Alexander Sinclair.
                • I3. *by 1* Benjamin Sinclair of Stemster, m. Jean, daughter of John Sinclair of Assery.
                  • J1. John Sinclair, d. 1842 in England, m. 1stly 1803 at Madras to N. N. Notley (d. 1806); m. 2ndly Sarah Charlotte Carter (d. 1867).
                    • K1. *by 1* John Notley Sinclair, d. young.
                    • K2. *by 1* Jane Sinclair, m. 1822 to Patrick Wallace, in the East India Co.
                  • J2. Isabella Sinclair, d. unmarried.
                  • J3. Helen Sinclair, m. Dr. Watson, of Madras.
                • I4. *by 1* Archibald Sinclair, d. in Jamaica, unmarried.
                • I5. *by 1* Margaret Sinclair, m. William Sinclair of Achingale and Newton.
                • I6. *by 2* Jean Sinclair, m. Robert Campbell.
                • I7. *illeg.* ? Janet Sinclair, m. Murdoch Campbell in Brubster.
              • H5. David Sinclair, d. without issue.
              • H6. Anne Sinclair.
              • H7. Elizabeth Sinclair, m. 1698 to James Sutherland of Langwell.
              • H8. Janet Sinclair, m. Andrew Bruce of Muness.
              • H9. Margaret Sinclair.
              • H10. Katharine Sinclair, m. Sir Patrick Dunbar.
            • G2. John Sinclair of Brabstermyre, ancestor of the Sinclair-Sutherlands of Brabster.
            • G3. Alexander Sinclair of Stemster, m. Anna, daughter of Sir James Sinclair of Murkle but d. without issue.
            • G4. George Sinclair of Barrock, ancestor of the Sinclairs of Barrock.
            • G5. Elizabeth Sinclair, m. 1stly 1657 to Walter Bruce of Ham; m. 2dnly to George Sinclair of Olrig.
            • G6. Jean Sinclair, m. 1651 to Magnus Mowat of Buchollie.
            • G7. Margaret Sinclair, m. Sir William Dunbar of Hempriggs.
          • F5. Janet Sinclair, m. Walter Innes of Inverbrakie.
          • F6. Margaret Sinclair, m. 1608 to Alexander Sinclair of Forss.
          • F7. Barbara Sinclair, m. 1610 to Alexander Keith of Pittendrum.
          • F8. Elizabeth Sinclair, m. William Dunbar, 1st of Hempriggs.
        • E4. Barbara Sinclair, m. Alexander, Earl of Sutherland. They were divorced in 1573.
        • E5. Elizabeth Sinclair, m. 1stly Alexander Sutherland of Duffus; m. 2ndly Hutcheon McKay of Farr, ancestor of the Lords Reay.
        • E6. N. N. Sinclair, m. Alexander Innes, of Innes.
        • E7. ? Janet Sinclair, m. Robert Munro of Foulis.
      • D3. *illeg.* David Sinclair, baillie to the Bishop of Caithness. Possible ancestor of the Sinclairs of Dun, for which see below.
    • C2. Alexander Sinclair, 1st of Stemster and Dunbeath, m. Elizabeth Innes of Innes.
      • D1. William Sinclair, 2nd of Dunbeath, m. 1stly Beatrix Gordon, daughter of Alexander, Master of Sutherland; m. 2ndly Margaret Innes.
        • E1. *by ?* William Sinclair of Stemster, m. Janet, daughter of George, 4th Earl of Caithness.
          • F1. George Sinclair, 3rd of Dunbeath; m. Margaret, daughter of John, 8th Lord Forbes.
            • G1. Margaret Sinclair.
        • E2. Richard Sinclair of Brims.
          • F1. Alexander Sinclair of Brims, d. v. p.; m. 1619 to Anna, daughter of Hugh McKay of Scourie and Farr by Jane, daughter of Alexander, Earl of Sutherland.
            • G1. John Sinclair of Brims, m. Anna McKay, ? daughter of Col. Hugh McKay of Scourie.
              • H1. Elizabeth Sinclair, m. John McKay, 2nd of Strathy.
            • G2. William Sinclair.
          • F2. Oliver Sinclair of Spittal.
          • F3. a daughter, m. Alexander Bayne of Clyth.
        • E3. George Sinclair of Downreay.
          • F1. John Sinclair.
          • F2. Barbara Sinclair, m. David Sinclair of Lybster.
          • F3. ? James Sinclair of Borlum and Toftkemp.
        • E4. Henry Sinclair of Brubster and Brims, d. without issue.
        • E5. David Sinclair of Thurs, d. without issue.
      • D2. Oliver Sinclair.
      • D3. Isabel Sinclair, the murderess, m. Gilbert Gordon of Garty.
    • C3. *illeg.* William Sinclair.
  • B5. *by 2* Sir David Sinclair of Swinburgh.
  • B6. *by 2* Robert Sinclair.
  • B7. *by 2* John Sinclair, bishop nominate of Caithness.
  • B8. *by 2* William Sinclair of Warsetter, m. a daughter of George, Earl of Huntly.
  • B9. *by 2* Eleanor Sinclair.
  • B10. *by 2* Marion Sinclair.
  • B11. *by 2* Elizabeth Sinclair.
  • B12. *by 2* Marjorie Sinclair.

***** Part 2 - Sinclairs of Dun and Southdun *****

A1. David Sinclair, 1st of Dun, for whose origins see HERE.

B1. John Sinclair, 2nd of Dun, m. 1stly N. N.; m. 2ndly Agatha Grote, daughter of Hugh Grote of Souldon.
  • C1. *by 1* David Sinclair, 3rd of Dun, m. 1stly Elizabeth, daughter of John Sinclair of Ulbster; m. 2ndly Margaret, daughter of Donald Sutherland of Forse.
    • D1. *by 1* Francis Sinclair, 4th of Dun, m. Jean, daughter of John Sinclair of Ulbster.
      • E1. Katharine Sinclair.
    • D2. *by 1* William Sinclair, 5th of Dun, m. 1stly 1643 to Elizabeth, daughter of Alexander Sutherland of Forse; m. 2ndly Isabel, daughter of John Sinclair of Assery; m. 3rdly Kathairne Sinclair, daughter of Alexander Sinclair of Telstane.
      • E1. Alexander Sincair, 6th of Dun, d. 1754, m. 1stly N. N.; m. 2ndly 1751 to Barbara, daughter of Alexander Henderson of Gerston.
        • F1. *by 1* William Sinclair, d. aft. 1731.
        • F2. *by 1* Henry Sinclair, d. aft. 1769.
        • F3. *by 1* Richard Sinclair, merchant at Thurso, drowned 1755, m. Elizabeth, sister of John McKay of Strathy.
          • G1. Elizabeth Sinclair, m. William, son of James Sinclair of Mey.
          • G2. Janet Sinclair, m. John Mathers, surveyor of customs at Thurso.
        • F4. *by 1* David Sinclair.
        • F5. *by 1* Elizabeth Sinclair, m. Patrick Forbes (d. bef. 1755).
        • F6. *by 1* Katharine Sinclair.
      • E2. David Sinclair.
      • E3. Jean Sinclair, m. 1670 to William, son of John Sinclair of Assery.
      • E4. a daughter, m. David Sinclair of Broynach.
    • D3. *by 1* James Sinclair.
    • D4. *by 2* Jean Sinclair, m. George Sinclair of Forss.
  • C2. *by 1* James Sinclair.
  • C3. *by 1* George Sinclair.
  • C4. *by 2* William Sinclair, in Dun, m. Marjory, daughter of Saul Bruce of Lyth.
    • D1. David Sinclair, 1st of Southdun, m. Jean, daughter of John Sinclair of Ulbster (in her 2nd marriage, m. 1stly Fraincis Sinclair of Dun, her second husband's cousin).
      • E1. Patrick Sinclair, 2nd of Southdun, m. Janet, daughter of James Murray of Pennyland.
        • F1. James Sinclair of Southdun, d. young.
        • F2. David Sinclair, 3rd of Southdun, m. 1stly 1714 to anet, daughter of John Sinclair, 8th Earl of Caithness; m. 2dnly 1748 Marjory, daughter of Robert Dunbar of Northfield; m. 3rdly Margaret, daughter of James Murray of Clairden.
          • G1. *by 1* Patrick Sinclair, d. abt. 1724.
          • G2. *by 1* Jean Sinclair, d. young.
          • G3. *by 1* Jean Sinclair, m. William Dunbar of Hempriggs.
          • G4. *by 1* Janet Sinclair, m. Dr. Stuart Threipland of Fingask.
            • H1. David Sinclair Threipland, d. 1778.
            • H2. Janet Threipland.
          • G5. *by 2* Marjory Sinclair, m. 1stly John Dunbar of Northfield; m. 2ndly James Sinclair of Harpsdale.
            • H1. *by 2* George Sinclair, d. young.
            • H2. *by 2* Henrietta Sinclair of Southdun, m. a Colonel Wemyss.
            • H3. *by 2* Janet Sinclair, m. Colonel Williamson of Banniskirk.
            • H4. *by 2* Emilia Sinclair, d. unmarried.
            • H5. *by 2* Margaret Sinclair, d. unmarried.
          • G6. *by 2* Katharine Sinclair, d. unmarried.
          • G7. *by 3* Margaret Sinclair, d. 1774 at Lyons, unmarried.
        • F3. Patrick Sinclair.
        • F4. Marjory Sinclair, m. William Calder of Lynegar.
        • F5. Jean Sinclair.
        • F6. Janet Sinclair, m. John Sinclair of Rattar.
        • F7. Elizabeth Sinclair, m. Henry Budge, grandson of Donald Budge, 6th of Toftingall.
      • E2. James Sinclair of Lyth.
      • E3. David Sinclair, in Brabsterdorran.
        • F1. David Sinclair of Whitegar.
          • G1. David Sinclair, in Whitegar, m. Jean Sinclair, daughter of George Sinclair of Brabsterdorran and his wife Elizabeth Gibson; below.
      • E4. Alexander Sinclair.
      • E5. Margaret Sinclair, m. William Bruce of Stanstill.
      • E6. Elizabeth Sinclair, m. 1672 to Donald Budge of Toftingall.
      • E7. Isobell Sinclair, m. 1653 to Lawrence Calder of Lynegar.
    • D2. Francis Sinclair, portioner of Brabsterdorran, m. Elizabeth Sinclair.
      • E1. Patrick Sinclair, portioner of Brabsterdorran, m. 1703 to Barbara, daughter of William Cumming, Minister of Halkirk and his wife, Katharine Murray of Pennyland.
        • F1. William Sinclair, m. Rachel, daughter of N. N. Cumming of Craigmiln.
          • G1. Katharine Sinclair, m. Alexander Cumming, tacksman of Rattar.
        • F2. James Sinclair, tide-waiter at Thurso.
      • E2. George Sinclair, m. Elizabeth, daughter of Alexander Gibson, dean of Bower.
        • F1. Jean Sinclair, m. David Sinclair of Whitegar, above.
    • D3. Isobel Sinclair, m. 1652 to Thomas Grote, son of Malcolm Grote of Warse and Margaret Sinclair of Forss.

***** Part 3 - Sinclairs of Forss and Freswick *****

This family, like the family of Dun, cannot with certainty be connected with any of the above. It is clear that the progenitor, David Sinclair of Dun, must have been a scion of the Sinclairs of that place, but who his father is remains a mystery. See also HERE.

A1. David Sinclair, 1st of Forss, d. abt. Mar 1560.
  • B1. William Sinclair, 2nd of Forss, m. Janet Urquhart.
    • C1. David Sinclair, m. Janet Murray of Pulrossie. He d. without issue.
    • C2. Alexander Sinclair, 3rd of Forss, m. 1608 to Margaret, daughter of George Sinclair of Mey.
      • D1. David Sinclair, 4th of Forss, d. without issue.
      • D2. George Sinclair, 5th of Forss, m. 1stly Jean, daughter of David Sinclair of Dun; m. 2ndly Mary, daughter of James Sinclair of Murkle.
        • E1. *by 1* Margaret Sinclair, m. Malcolm Grote of Warse.
        • E2. *by 2* John Sinclair, 6th of Forss, m. 1stly Janet, daughter of William Sutherland of Geise; m. 2ndly Barbara, daughter of John Sinclair of Rattar; m. 3rdly Elizabeth, daughter of Richard Murray of Pennyland.
          • F1. *by 1* George Sinclair, 7th of Forss, d. unmarried.
          • F2. *by 2* John Sinclair, 8th of Forss, minister of Watten, d. 1753, m. Esther, daughter of Alexander Sinclair of Olrig.
            • G1. Alexander Sinclair, 9th of Forss, d. unmarried.
          • F3. *by 2* James Sinclair, 10th of Forss, m. 1737 Jean, daughter of Robert Sinclair of Geise; m. 2ndly aft. 1775 a daughter of John Sinclair of Scotscalder.
            • G1. *by 1* Robert Sinclair, 6th of Freswick, Captain, d. Nov 1794 at Dunbeath Castle, without issue; m. Esther Bland.
            • G2. *by 1* William Sinclair, surgeon, d. 1794 at St:o Domingo, unmarried.
            • G3. *by 1* James Sinclair, 11th of Forse, m. Johanna, daughter of George McKay of Bighouse.
              • H1. James Sinclair, 12th of Forss, d. at Forss 1 Mar 1876, m. Janet, daughter of William Sinclair Wemyss of Southdun.
                • I1. James Sinclair, Lieutenant-Colonel.
                • I2. Henry Sinclair, d. in India, unmarried.
                • I3. George William Sinclair, d. 1876 in Australia.
                • I4. Robert Sinclair.
                • I5. Charles Sinclair.
                • I6. Ramsay Sinclair, d. without issue.
                • I7. Edward Sinclair.
                • I8. Garden Octavius Sinclair, d. 1883, with issue a son.
                • I9. William Sinclair, d. 1878, without issue.
                • I10. Albert Sinclair, d. young.
                • I11. John Sinclair, d. 1876, unmarried.
                • I12. Frederick Sinclair, d. 1879, unmarried.
                • I13. Wellesley Sinclair, d. young.
                • I14. Joanna Sinclair.
                • I15. Janet Sinclair, d. young.
                • I16. Henrietta Sinclair.
                • I17. Louisa Sinclair, d. 1883.
              • H2. George Lewis Sinclair, d. 1878 without issue.
              • H3. William Sinclair, Captain, d. unmarried.
              • H4. Hugh Sinclair, d. unmarried in Australia.
              • H5. Jean Sinclair, d. unmarried.
              • H6. Æneasina Sinclair, m. Mr. Stevenson, with issue.
              • H7. Louisa Sinclair, m. Hector Macneill, Captain.
              • H8. Elizabeth Sinclair.
              • H9. Janet Sinclair.
            • G4. *by 1* Catharine Sinclair, m. N. N. Campbell.
            • G5. *by 1* Elizabeth Sinclair, m. John Bain, tacksman of Dale.
          • F4. *by 2* William Sinclair, physician in Thurso, d. 1767, m. Barbara, daughter of Robert Sinclair of Geise.
            • G1. William Sinclair, 7th of Freswick, d. 15 Mar 1838, m. 1stly to Isabella, daughter of Alexander Calder, last of Lynegar; m. 2ndly 1816 to Jane, daughter of John Sinclair of Barrock.
              • H1. *by 1* John Sinclair, d. unmarried 1832.
              • H2. *by 1* Barbara Madelina Gordon Sinclair, 9th of Freswick, m. William Thomson Sinclair, Esq.
                • I1. William Sinclair Thomson Sinclair, 10th of Freswick, b. 8 Apr 1844, m. 18 Jun 1872 to Isabella, daughter of James Henderson, of Bilbster.
              • H3. *by 2* William James John Alexander Sinclair, 8th of Freswick, d. 20 Feb 1855 at Nottingham House.
              • H4. *by 2* Williamina Sinclair, d. young.
              • H5. *by 2* Janet Sinclair Traill Sinclair, d. at Torquay in Jun 1870, unmarried.
              • H6. *by 2* Jane Sinclair, d. 1851, m. Augustus Halifax Ferryman, Major-General.
                • I1. Augustus Hamilton Ferryman, of Lochend and Thura.
            • G2. Janet Sinclair, m. James Mackie.
              • H1. William Mackie.
              • H2. George Mackie, Major-General, resided at Caen, with issue.
            • G3. Jane Sinclair, m. Allan Robertson of Tarrel, Captain.
          • F5. *by 2* Elizabeth Sinclair.
          • F6. *by 3* Mary Sinclair, d. 1771, m. James Campbell of Lochend.
          • F7. *by 3* Jean Sinclair, m. Hugo Campbell.
          • F8. *by 3* Margaret Sinclair, d. unmarried 1771.
      • D3. Katharine Sinclair, m. George Innes of Oust.
  • B2. Alexander Sinclair.
  • B3. Henry Sinclair.
  • B4. George Sinclair.
  • B5. ? Christian Sinclair, m. Y McKay of Farr.
    • C1. Hutechon McKay, m. 1stly Elizabeth, daughter of George, 4th Earl of Caithness; m. 2ndly Jane, daughter of Alexander Gordon, Earl of Sutherland.
    • C2. William McKay.

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