George FitzRoy, 4th Duke of Grafton
Euston was the son of Augustus Fitzroy, 3rd Duke of Grafton and his wife Anne Lidell. He was educated at Harrow School and Trinity College, Cambridge, where he became a close friend of the William Pitt the Younger. From 1782-84, he was Member of Parliament for Thetford, and in 1784, he and Pitt were elected as MPs for Cambridge University. Euston held that seat until he succeeded his father in the dukedom in 1811. He was appointed a deputy lieutenant of Northamptonshire on 9 May 1803.
- Lady Maria (Mary) Anne (1785–1855), married Sir William Oglander, 6th Baronet and had issue.
- Lady Georgiana (1787–1855), unmarried
- Lady Elizabeth Anne (1788–1867), married her first cousin John Henry Smyth and had issue.
- Henry, styled Earl of Euston, later 5th Duke of Grafton (1790–1863)
- Lord Charles FitzRoy (1791–1865), married Lady Anne Cavendish (daughter of George Cavendish, 1st Earl of Burlington) and had issue.
- Lady Isabella Frances (1792–1875), married Henry Joseph St. John (d. 1857)
- Lord William FitzRoy (1794–1804)
- Lord Hugh FitzRoy (1795–1797)
- Lord Richard FitzRoy (1798–1798)
- Lord Richard FitzRoy (1800–1801)
- Lord James FitzRoy (1804–1834)
- Burke's Peerage & Gentry
- Reynolds, K. D. "FitzRoy, George". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/9634. (Subscription or UK public library membership required.)
|Wikimedia Commons has media related to George FitzRoy, 4th Duke of Grafton.|
- Matthew Kilburn, ‘Fitzpatrick , Anne, countess of Upper Ossory [other married name Anne FitzRoy, duchess of Grafton] (1737/8–1804)’, Oxford Dictionary of National Biography, Oxford University Press, Oct 2008 accessed 23 March 2017
- "Fitzroy, George Henry, Lord Euston (FTSY776GH)". A Cambridge Alumni Database. University of Cambridge.
- "no. 15666". The London Gazette. 14 January 1804. p. 63.
- Hansard 1803–2005: contributions in Parliament by the Duke of Grafton
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