Also known as Owain de Porkington.
Prince of Powys
Events
Date of Birth: unknown.
Place of Birth: unknown.
Floruit: 1160 - 1215.
The dates are given by Pryce (ONDB sub Madog ap Maredudd).
Date of Death: probably between 1215 and 1218.
Place of Death: unknown.
The range of dates is given by Pryce (ONDB sub Madog ap Maredudd).
Place of Burial: unknown.
Pryce notes that the suggestion that his gravestone is at Valle Crucis Abbey is an error.
Relationships
Father: Madog ap Maredudd ap Bleddyn.
This relationship is given by Pryce (ODNB sub Madog ap Maredudd), shown by Bartrum (Bleddyn ap Cynfyn 3), and given by Pierce (DWB sub Owain Brogyntyn), by Stephenson, and by Eyton (11:44-45).
Mother: uncertain.
Owain was illegitimate. Pryce notes that later genealogical sources give his mother as a daughter of the Black Reeve of Rug in Edeirnion. Bartrum (Bleddyn ap Cynfyn 3) shows “Merch uchelwr of Rus yn Swydd Drewen” and a daughter of “Y Maer Du”.
Spouse: Jonet ferch Hywel.
This relationship is shown by Bartrum (Bleddyn ap Cynfyn 20).
Spouse: Margred ferch Einion ap Seisyll.
This relationship is given by Pierce (DWB).
Children:
(Complete source citations for facts about the children on this page are currently outside of the scope of this project. Most information below comes from Bartrum and from Pryce.)
Efa married Ithel ap Heilin.
Bleddyn married Margred ferch Gwyn ap Gruffudd.
Iorwerth married Efa ferch Madog.
Gruffudd married Janet, daughter of Sir William Say.
Madog.
Llywelyn.
References
Bartrum, Peter C., “Bleddyn ap Cynfyn 3”, Bleddyn ap Cynfyn 20” in An Electronic Version of Welsh Genealogies AD 300-1500.
[The sources that Bartrum cites for Owain are: Peniarth 131 (83, 106, 177), written by Gutun Owain about 1480; Peniarth 129 (45, 74), copied about 1500 from a 1497 MS by Gutun Owain; and Peniarth 127 (23), written by Syr Thomas ap Ieuan ap Deicws between about 1510 and 1523.]
Eyton, R.W. Antiquities of Shropshire 12 Volumes (London: 1854-1860).
Guy, Ben. Medieval Welsh Genealogy. (The Boydell Press, 2020).
From Guy’s critical edition of the Gutun Owain recension of the Llywelyn ab Iorwerth genealogies, which were based on an archetype created no later than the first half of the fourteenth century from an original compilation dating to the early thirteenth century, partly based on earlier written sources (Note that Guy is striving for textual rather than genealogical accuracy):
G77.3 Gwehelyth Edeirnon a Dinnmael:
Plant Ywain Brogvntvn ap Madoc ap Mredudd ap Bleddyn ap Kynvyn ap Grwerystan ap Gwaithvoed: Gruffudd ap Ywain, Ierwerth ap Ywain, Bleddyn ap Ywain. Yw mam oedd [GAP].
Pierce, Thomas Jones. “Owain Brogyntyn” in Welsh Biography Online.
Pryce, Huw. “Madog ap Maredudd (d. 1160)” in the Oxford Dictionary of National Biography (Oxford University Press, 2004).
Stephenson, David. Medieval Powys: Kingdom, Principality and Lordships, 1132-1293. (The Boydell Press, 2016).