Elizabeth Egerton was born 24 August 1653 to John Egerton, 2nd Earl of Bridgewater (1623-1686) and Elizabeth Cavendish (c1628-1663) and died 1709 of unspecified causes. She married Robert Sidney, 4th Earl of Leicester (1649-1702) 1672 .
|Offspring of Robert Sidney, 4th Earl of Leicester and Elizabeth Egerton (1653-1709)|
|Philip Sidney, 5th Earl of Leicester (1676-1705)|
|John Sidney, 6th Earl of Leicester (1680-1737)|
|Thomas Sidney (1681-1729)|
|Jocelyn Sidney, 7th Earl of Leicester (c1692-1743)||1692||7 July 1743||Elizabeth Thomas (-1747)|
|Elizabeth Sidney (bef1702-)|