|Alexander, fourth High Stewart, designated of Dundonald, was born in 1214, and in the early life joined the Crusaders. In 1255 he appears as one of the Regents of Scotland during the minority of Alexander III. In 1263 he commanded the right wing of the Scots army at Largs, when the Norsemen under Haco were completely routed. He played a prominent part in other matters during the reign of Alexander III., and died in 1283, leaving two sons and a daughter. His wife is said to have been Jean, daughter of James, Lord of Bute.
- 1. James, his successor.
- 2. Sir John, who married Margaret, daughter and heiress of Sir Alexander de Bonkyl in Berwickshire; fell at the battle of Falkirk, leaving a numerous family of sons and one daughter:-
- (1) Sir Alexander, ancestor of the Stewarts, Earls of Angus.
- (2) Sir Alan, ancestor of the Stewarts of Darnley, Earls of Lennox.
- (3) Sir Walter, ancestor of the Stewarts of Garlies, Earls of Galloway, and the Lords Blantyre.
- (4) Sir James, ancestor of the Stewarts Lords of Lorn, the Earls of Atholl, Buchan, and Traquair, and the Stewarts of Appin and Grandtully.
- (5) Sir John of Daldar, died s.p.
- (6) Sir Hugh, and
- (7) Sir Robert are also said to have been sons, but of their descendants nothing is certainly known.
- (8) Isobel, married to Thomas Randolph, Earl of Moray.
- 3. Elizabeth, married to Sir William Douglas of that Ilk, called 'Le Hardi,' and was the mother of the 'Good Sir James' Douglas.