William Cavendish, 5th Duke of Devonshire, KG, was a British nobleman, aristocrat, and politician. He was the eldest son of William Cavendish, 4th Duke of Devonshire, by his wife, the heiress Lady Charlotte Boyle, suo jure Baroness Clifford, who... Wikipedia
Born: December 14, 1748, London, United Kingdom
Died: July 29, 1811 (age 62 years), London, United Kingdom
Spouse: Elizabeth Cavendish, Duchess of Devonshire (m. 1809–1811) and Georgiana Cavendish, Duchess of Devonshire (m. 1774–1806)