Lady Mary Butler
1646 - 1710 (64 years)
Generation: 1
1. Lady Mary Butler was born in 1646; died in 1710. Mary married William Cavendish, 1st. Duke of Devonshire on 26 Oct 1662. William (son of William Cavendish, 3rd. Earl of Devonshire and Lady Elizabeth Cecil) was born on 25 Jan 1640; died on 18 Aug 1707. [Group Sheet]
Children:- William Cavendish, 2nd. Duke of Devonshire KG PC was born in 1673; died on 4 Jun 1729.