Henry FitzRoy, 5th Duke of Grafton, was born 10 February 1790 to George Henry FitzRoy, 4th Duke of Grafton (1760-1844) and Charlotte Maria Waldegrave (1761-1808) and died 26 March 1863 Wakefield Lodge, Potterspury, Northamptonshire, England, United Kingdom of unspecified causes. He married Mary Caroline Berkeley (1795-1873) 20 June 1812 in Lisbon, Portugal. Charlemagne (747-814)/s, Henry II of England (1133-1189)/s, Willem van Oranje (1533-1584)/s, Hugh Capet (c940-996)/s, William I of England (1027-1087)/s, Robert I of Scotland (1274-1329)/s.
|Mary Elizabeth Emily FitzRoy (1817-1887)|
|Maria Louisa FitzRoy (1818-1912)||18 April 1818||10 May 1912 Chelsea, London, England, United Kingdom||Edward Gordon Douglas, 1st Baron Penrhyn (1800-1886)|
|William Henry FitzRoy, 6th Duke of Grafton (1819-1882)||5 August 1819 London, England, United Kingdom||21 May 1882 London, England, United Kingdom||Marie Anne Louise Baring (1833-1928)|
|Augustus Charles Lennox FitzRoy, 7th Duke of Grafton (1821-1918)||22 June 1821 London, England, United Kingdom||4 December 1918 Wakefield Lodge, Potterspury, Northamptonshire, England, United Kingdom||Anna Balfour (1825-1857)|
|Frederick John FitzRoy (1823-1919)|