m. 29 August 1189, no children.
Isabella, Countess of Gloucester was born circa 1169. She was the daughter of William FitzRobert, 2nd Earl of Gloucester and Hawise of Leicester.1 Countess of Gloucester between 1183 and 1217.2 She married Jean "Sans Terre", roi d' Angleterre, son of Henri II "Courtmanteau", roi d' Angleterre and Aliénor d' Aquitaine, reine d' Angleterre, on 29 August 1189 in Marlborough Castle, Wiltshire, England; His 1st. Her 1st. 2nd cousins. s.p.3 She and Jean "Sans Terre", roi d' Angleterre were divorced before 24 August 1200; Annulled for consanguinity. She married Geoffrey (de Mandeville), 5th Earl of Essex, son of Geoffrey fitz Piers, 4th Earl of Essex and Beatrice de Sai; Her 2nd.3 She married Hubert de Burgh, Earl of Kent, son of John de Bourgh, circa 10 October 1217; His 2nd (widower). Her 3rd (widow).3 She died on 14 October 1217.