Elizabeth Courtney was the illegitimate daughter of the Whig politician and future Prime Minister Charles Grey, 2nd Earl Grey, and socialite Georgiana Cavendish, Duchess of Devonshire, while Georgiana was married to William Cavendish, 5th Duke of Devonshire.
- Citizenship
- United Kingdom of Great Britain and Ireland, Kingdom of Great Britain
- Born
- February 20, 1792
- Died
- May 2, 1859
