William Cochrane, 1st Earl of Dundonald

William Cochrane, 1st Earl of Dundonald (1605– November 1685) supported the Royalist cause during the Wars of the Three Kingdoms.

Early life Cochrane was the eldest surviving son of Alexander Cochrane ( Blair) and Elizabeth Cochrane (third daughter and co-heiress of William Cochrane of that Ilk).

Career William Cochrane of Coldoun, who was knighted by Charles I, acquired the estate of Dundonald in 1638. He was created Baron Cochrane of Dundonald in 1647.

Personal life Sometime after 14 April 1633, William married Eupheme, a daughter of Sir William Scott of Ardross and Elie, and Hon. Helen Lindsay (sister to John Lindsay, 17th Earl of Crawford, 1st Earl of Lindsay). Together, they were the parents of:

William Cochrane, Lord Cochrane (d. 1679), who married Lady Katherine Kennedy, a daughter of John Kennedy, 6th Earl of Cassilis, in 1653.

Lord Dundonald died in 1686, and was interred in the church of Dundonald. Margaret Cochrane (wife of Alexander Montgomerie, 9th Earl of Eglinton), Helen Cochrane (wife of John Gordon, 16th Earl of Sutherland), and Jean Cochrane (wife of John Graham, 1st Viscount Dundee and William, 3rd Viscount of Kilsyth).