Name: Cavendish William, Duke of Devonshire 1756–7 Whig
Born: 1720
First entered Parliament: 19 May 1741
Age he became PM: 36 years
Maiden Speech: On 16 November 1742 he moved the Address on the King's Speech
Total time as PM: 225 days
Died: 2 October 1764 at Spa, Germany
Education: It is assumed that Cavendish had private tuition
Family: Devonshire was the eldest son and second of seven children. He was married to Charlotte Elizabeth Boyle, Baroness Clifford and had three sons and one daughter
Interests: Horse racing (he was one of the founders of the Jockey Club)