whose loyalty he was doubtful, Earl William was among them. Family and children He was married to Hawise de Beaumont of Leicester, daughter of Robert de Beaumont, 2nd Earl of Leicester and Amica de Gael and had children: Robert fitz William (1151, Cardiff, Glamorganshire – 1166, Cardiff, Glamorganshire). Mabel fitz William, married Amaury V de Montfort, her son Amaury briefly being Earl of Gloucester Amice fitz William, d. 1220. Married Richard de Clare, 3rd Earl of Hertford, their descendants eventually inherited the Earldom of Gloucester. Isabel, Countess of Gloucester. She was married three times: John of England Geoffrey FitzGeoffrey de Mandeville, 2nd Earl of Essex, Earl of Gloucester Hubert de Burgh, 1st Earl of Kent The earl died in 1183; his wife Hawise survived him. Since their only son, Robert, predeceased his father, their daughters became co-heirs to the feudal barony of Gloucester. References Notes William Lord of Glamorgan was also known as Robert de Wintona according to records found in English historical ledgers. 1116 births 1183 deaths 12th-century English nobility Anglo-Normans Anglo-Normans in Wales William Fitz Robert, 2nd Earl of Gloucester Lords of Glamorgan