Elizabeth Cavendish was born circa 1628 to William Cavendish, 1st Duke of Newcastle (1593-1676) and Elizabeth Basset (1592-1643) and died 4 June 1663 of unspecified causes. She married John Egerton, 2nd Earl of Bridgewater (1623-1686) 1641 .
|Offspring of John Egerton, 2nd Earl of Bridgewater and Elizabeth Cavendish (c1628-1663)|
|John Egerton, 3rd Earl of Bridgewater (1646-1701)||9 November 1646||19 March 1701||Elizabeth Cranfield (c1648-1670) Elizabeth Cranfield (c1648-1670) Jane Paulet (c1655-1716)|
|Elizabeth Egerton (1653-1709)||24 August 1653||1709||Robert Sidney, 4th Earl of Leicester (1649-1702)|