Henry FitzRoy, 1st Duke of Grafton was born 2 September 1663 in Whitehall Palace, England, United Kingdom to Charles II of England (1630-1685) and Barbara Villiers, 1st Duchess of Cleveland (c1640-1709) and died 9 October 1690 Siege of Cork of battle wounds. He married Isabella Bennet (c1668-1723) 1 August 1672 in Goring House, City of Westminster, England, United Kingdom.
Children
| Name | Birth | Death | Joined with |
| Charles FitzRoy, 2nd Duke of Grafton (1683-1757) | 25 October 1683 Arlington House, Westminster, England, United Kingdom | 6 May 1757 Euston, England, United Kingdom | Henrietta Somerset (1690-1726) |
Footnotes (including sources)
| ‡ General |
|
