Biography
John Campbell Cochrane, 4th Earl of Dundonald, was born 4 July 1687 in Paisley, Renfrewshire, Scotland, United Kingdom to John Cochrane, 2nd Earl of Dundonald (c1660-1690) and Susanna Hamilton (1667-1737) and died 5 June 1720 of unspecified causes. He married Anne Murray (1687-1710) 4 April 1706 . He married Mary Osborne (1688-1722) 15 October 1715 .
Children
| Name | Birth | Death | Joined with |
| Susan Cochrane (c1706-1754) | |||
| Anne Cochrane (1707-1724) | 22 February 1707 Canongate, Edinburgh, Midlothian, Scotland, United Kingdom | 14 August 1724 Hamilton, South Lanarkshire, Scotland, United Kingdom | James Douglas-Hamilton, 5th Duke of Hamilton (1703-1743) |
| William Cochrane, 5th Earl of Dundonald (c1708-1725) | |||
| Catherine Cochrane (1709-1786) | 1709 | 15 March 1786 | Alexander Stewart, 6th Earl of Galloway (c1694-1773) |
Footnotes (including sources)
| ‡ General |