Background
He was a son of William Cockburn and his wife and cousin Frances Cockburn. Marion Sinclair was a daughter of John Sinclair and Isabel Boyd.
He was a son of William Cockburn and his wife and cousin Frances Cockburn. Marion Sinclair was a daughter of John Sinclair and Isabel Boyd.
Alexander and Doctor James Cockburn were brothers. The 7th died childless in 1745.
13th Parliament of Great Britain. 14th Parliament of Great Britain. 15th Parliament of Great Britain.