Gilbert, surnamed Strongbow, who was created Earl of Pembroke by King Stephen in the third year of his reign; obtained the dominion of Striguil (now Chepstow) by which name the title of his earldom was sometimes denominated.
Isabel, also known as Elizabeth, is the sister of Waleran, Earl of Mellent and Robert, Earl of Leicester.
Children:
Richard Strongbow DE CLARE was born about 1130 in Tunbridge, Kent, England; died on 20 Apr 1176 in Dublin, Leinster, Ireland; was buried in Holy Trinity (Christ Church Cathedrall), Dublin, Leinster, Ireland.