Gilbert de Clare, 5th Earl of Gloucester
- Yes, date unknown
Generation: 1
1. Gilbert de Clare, 5th Earl of Gloucester and died. Gilbert married Isabel Marshal. Isabel (daughter of William Marshal, 1st Earl of Pembroke and Isabel de Clare) and died. [Group Sheet]
Children:- Isabel de Clare and died.
- Sir Richard de Clare, 5th Earl of Hertford 6th Earl of Gloucester was born in 1222; died in 1262.