William Cavendish, 4th Duke of Devonshire

former Prime Minister of the United Kingdom (1720–1764)

Parents

• Catherine Cavendish, Duchess of Devonshire
• William Cavendish, 3rd Duke of Devonshire

Children

• George Cavendish, 1st Earl of Burlington
• Dorothy Bentinck, Duchess of Portland
• William Cavendish, 5th Duke of Devonshire
• Lord Richard Cavendish

Siblings

• Lord George Cavendish
• Lord John Cavendish
• Lady Rachel Cavendish
• Lord Frederick Cavendish
• Lady Elizabeth Cavendish
• Lady Caroline Cavendish

Partners

• Charlotte Cavendish, Marchioness of Hartington