William Cavendish, 3rd Duke of Devonshire, KG, PC was a British nobleman and Whig politician who sat in the House of Commons from 1721 to 1729 when he inherited the Dukedom. Wikipedia
Born: September 26, 1698, Hardwick, United Kingdom
Died: December 5, 1755 (age 57 years), United Kingdom
Partner: Catherine Cavendish, Duchess of Devonshire (1718–) and Catherine Cavendish, Duchess of Devonshire