Charlotte FitzRoy, Countess of Euston (néeLady Charlotte Maria Waldegrave; 11 October 1761 – 1 February 1808), was the wife of George FitzRoy, 4th Duke of Grafton. Although she is sometimes referred to as "Duchess of Grafton",[1] her husband did not inherit the dukedom until 1811, after his wife's death.
She married the future Duke of Grafton on 16 November 1784 at Navestock, Essex, when he was styled Earl of Euston.[3] She was therefore known by the courtesy title Countess of Euston.
Lady Elizabeth Anne FitzRoy (1788–1867), who married her first cousin John Henry Smyth (Smyth's mother was Lady Georgiana Fitzroy, the duke's sister), and had issue
Charlotte FitzRoy died at her home in Lower Brook Street, London, aged 45,[5] of "a liver complaint and bilious fever", and was buried in the family vault. Her obituary described her as "an example of every thing amicable in woman".[6]