Anne Wellesley was born 29 February 1788 to Richard Wellesley, 1st Marquess Wellesley (1760-1842) and Hyacinthe-Gabrielle Roland (c1762-1816) and died 19 March 1875 of unspecified causes. She married William Abdy (1779-1868) 3 July 1806 in Hyde Park Corner, London, England, United Kingdom. She married William Charles Augustus Cavendish-Bentinck (1780-1826) 23 July 1816 St Martin in Westminster, London, England, United Kingdom.
|Offspring of Anne Wellesley and William Charles Augustus Cavendish-Bentinck (1780-1826)|
|Anne Cavendish Cavendish-Bentinck (1816-1888)|
|Charles William Frederick Cavendish-Bentinck (1817-1865)||8 November 1817 Welbeck Abbey, Nottinghamshire, England, United Kingdom||17 August 1865||Sinetta Lambourne (1820-1850) Sinetta Lambourne (1820-1850) Caroline Louise Burnaby (c1832-1918)|
|Arthur Cavendish-Bentinck (1819-1877)||9 May 1819 London, England, United Kingdom||11 December 1877||Elisabeth Sophia Hawkins-Whitshed (c1830-1858) Elisabeth Sophia Hawkins-Whitshed (c1830-1858) Augusta Mary Elizabeth Browne, 1st Baroness Bolsover (1834-1893)|
|Emily Cavendish Cavendish-Bentinck (c1823-1850)|