William married Eleanor de Clare in Jan 1329. Eleanor (daughter of 7th Earl of Hertford, 3rd Earl of Gloucester Gilbert de Clare, 7th Earl of Gloucester and Joan "of Acre" Plantagenet) was born on 16 Sep 1292 in Caerphilly Castle, Caerphilly, Glamorganshire, Wales; died on 30 Jun 1337 in Tewkesbury, Gloucestershire, England. [Group Sheet] [Family Chart]
