Biography
John James Hamilton, 1st Marquess of Abercorn, was born July 1756 to John Hamilton (1714-1755) and Harriet Craggs (c1709-1769) and died 27 January 1818 Bentley Priory, Stanmore, England, United Kingdom of unspecified causes. He married Catherine Copley (c1758-1791) 20 June 1779 in Marylebone, England, United Kingdom. He married Cecil Hamilton (1770-1819) 4 March 1792 . He married Anne Jane Gore (1763-1827) 3 April 1800 .
Children
| Name | Birth | Death | Joined with |
| Harriet Margaret Hamilton (1780-1803) | |||
| Catherine Constantia Hamilton (1782-1783) | |||
| Catherine Elizabeth Hamilton (1784-1812) | |||
| Maria Hamilton (1785-1814) | |||
| James Hamilton (1786-1814) | 7 October 1786 Petersham Lodge, Surrey, England, United Kingdom | 27 May 1814 London, Middlesex, England, United Kingdom | Harriet Douglas (1792-1833) |
| Claud Hamilton (1787-1808) | |||
| Name | Birth | Death | Joined with |
| Cecil Frances Hamilton (1795-1860) | |||
Footnotes (including sources)
| ‡ General |