Father: Duke William Cavendish IV of Devonshire Born: 1720 in Devonshire House, Piccadilly, London Married: March 28, 1748 Died: October 2, 1764
Mother: Baroness Charlotte Boyle of Clifford Born: October 27, 1731 in Chiswick, Middlesex Died: December 24, 1754
Children: 1. Lord Richard Cavendish of Devonshire 2. Duke William Cavendish V of Devonshire (b.12/14/1748) 3. Lady Dorothy Cavendish of Devonshire (b.8/17/1750) 4. Earl George Cavendish I of Burlington (b.3/31/1754)
