| Family |
Robert de Mortagne, 2nd Earl of Cornwall, Count of Mortain, b. 1031, Mortagne-au-Perche, Orne, Lower Normandy, France d. 8 Dec 1090, Mortain, Manche, Lower Normandy, France (Age 59 years) |
| Children |
| | 1. Agnes de Mortaigne, of Mortain, b. 1054, Appeville-Annebault, Eure, Upper Normandy, France d. 1115, Appeville-Annebault, Eure, Upper Normandy, France (Age 61 years) |
| | 2. Hertiginna av Toulouse Emma de Mortain, comtesse consort de Toulouse, b. 1058, Mortagne-au-Perche, Orne, Lower Normandy, France d. Oct 1080, Huesca, Aragon, Spain (Age 22 years) |
| | 3. Guillaume (William) de Mortaigne, Comte de Mortaigne, 3rd Earl of Cornwall, b. 1060, Mortagne-au-Perche, Orne, Lower Normandy, France d. 1140, Bermondsey, London, England, United Kingdom (Age 80 years) |
| | 4. Denise de Mortagne, b. 1062, Artois, Pas-de-Calais, France d. DECEASED |
| | 5. Earl Cornwall Guillaume de Mortaigne, b. 1070, Artois, Pas-de-Calais, France d. 1140 (Age 70 years) |
| | 6. Miss de Mortagne, b. 1086 d. DECEASED |
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