1824 – 21 January 1889), married Emily Victorine Elizabeth Rumbold, Freifrau von Delmar, daughter of Sir William Rumbold, 3rd Baronet, and had issue Augustus John Cavendish (13 September 1825 – 2 October 1825) Caroline Fanny Cavendish (11 November 1826 – 25 January 1910), maid of honour to Queen Victoria, member of the Royal Order of Victoria and Albert, fourth class On 28 January 1873, he married Susanna Emma Byerlie (died c. 1910), and died two months later. References External links 1789 births 1873 deaths People educated at Eton College Alumni of Trinity College, Cambridge 2nd Dragoon Guards (Queen's Bays) officers British Army generals Members of the Parliament of the United Kingdom for Derby UK MPs 1812–1818 UK MPs 1818–1820 UK MPs 1820–1826 UK MPs 1826–1830 UK MPs 1830–1831 UK MPs 1831–1832 UK MPs 1832–1835 Younger sons of earls