“ID: I012357
Name: Guillaume de Mortagne , Earl of Cornwall 1 2
Sex: M
Birth: ABT 1064 in Mortagne, Artois, Pas-de-Calais, France 1 2
Death: 1140 in Cornwall, England 1 2
Note:
[de St. Leger.ged]

WILLIAM, Earl of Cornwall, who rebelled against Henry I., supporting the claims of Duke Robert to the throne, and joining the party at the head of which was his uncle Robert de Belˆsme. He was attainted, and died a prisoner.[eleanor of aquitaine.ged]

WILLIAM, Earl of Cornwall, who rebelled against Henry I., supporting the claims of Duke Robert to the throne, and joining the party at the head of which was his uncle Robert de Belˆsme. He was attainted, and died a prisoner.


Father: Robert de Conteville , Count of Mortagne b: ABT 1034 in Conteville, Eure, Normandy, France
Mother: Mathilde Maud de Montgomery b: ABT 1042 in St. Germain Montgomery, Normandy, France

Marriage 1 Isabel FitzRichard De Clare b: ABT 1065 in Clare, Suffolk, England
Children
Aldhelm de Burgo de Mortaigne b: 1085 in Cardigan, Cornwall, England
Agnes de Mortaigne b: ABT 1087 in Cardigan, Cornwall, England
Joan de Mortaigne b: ABT 1090 in Cardigan, Cornwall, England
Beatrice FitzWilliam de Mortaigne b: ABT 1115 in Cardigan, Cornwall, England

Sources:
Title: de St. Leger.ged
Repository:
Media: Other
Text: Date of Import: 12 Feb 2005
Title: eleanor of aquitaine.ged
Repository:
Media: Other
Text: Date of Import: 20 Feb 2005
”