Elizabeth Cecil was born 1619 to William Cecil, 2nd Earl of Salisbury (1591-1668) and Catherine Howard (c1588-1673) and died 19 November 1689 of unspecified causes. She married William Cavendish, 3rd Earl of Devonshire (1617-1684) 4 March 1639 .
|Offspring of William Cavendish, 3rd Earl of Devonshire and Elizabeth Cecil (1619-1689)|
|William Cavendish, 1st Duke of Devonshire (1640-1707)||25 January 1640||18 August 1707 Devonshire House, London, Greater London, England, United Kingdom||Mary Butler (1646-1710)|
|Anne Cavendish (c1644-1703)||1644||18 June 1703||Charles Rich (1643-1664) Charles Rich (1643-1664) John Cecil, 5th Earl of Exeter (c1648-1700)|
|Charles Cavendish (1655-1670)|