| Family |
Robert de MORTAGNE, Count of Mortain, 2nd Earl of Cornwall, b. Abt 1031, Mortagne-sur-Sèvre, Pays de la Loire, France d. 8 Dec 1090, Grestain, Fatouville-Grestain, Haute-Normandie, France (Age 59 years) |
| Children |
| | 1. Emma de MORTAGNE, b. Abt 1065, Mortain, Normandie, France d. Yes, date unknown |
| | 2. Williamde MORTAGNE, Count of Mortain, b. Abt 1068, Mortain, Normandy, France d. Yes, date unknown |
| | 3. Agnès de MORTAGNE, b. Abt 1054, Mortain, Normandie, France d. Abt 1115, Appeville-Annebault, Eure, Normandie, France (Age 61 years) |
| | 4. Denise de MORTAGNE, b. Abt 1072, Mortain, Normandie, France d. Yes, date unknown |
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