Family: Robert de MORTAGNE, Count of Mortain, 2nd Earl of Cornwall / Matilda de MONTGOMERY, Abbess of Almenchêches (F9312)
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Male
Robert de MORTAGNE, Count of Mortain, 2nd Earl of Cornwall
Birth Abt 1031 Mortagne-sur-Sèvre, Pays de la Loire, France 
Death 8 Dec 1090 Grestain, Fatouville-Grestain, Haute-Normandie, France Burial Fatouville-Grestain, Haute-Normandie, France Marriage Father Harlevin (Herluin) de CONTEVILLE | F961 Group Sheet Mother Harlette de FALAISE | F961 Group Sheet
Female
Matilda de MONTGOMERY, Abbess of Almenchêches
Birth Abt 1039 Mortagne, Orne, Basse-Normandie, France Death 12 Sep 1082 Abbey of St. Grestain, Normandie, France Burial Father Roger de MONTGOMERY, 1st Earl of Shrewsbury | F8325 Group Sheet Mother Mabel de BELLÊME | F8325 Group Sheet
Female
Emma de MORTAGNE
Birth Abt 1065 Mortain, Normandie, France Death Yes, date unknown Burial Spouse William IV, Count of Toulouse | F9311 Marriage
Male
Williamde MORTAGNE, Count of Mortain
Birth Abt 1068 Mortain, Normandy, France Death Yes, date unknown Burial
Female
Agnès de MORTAGNE
Birth Abt 1054 Mortain, Normandie, France Death Abt 1115 Appeville-Annebault, Eure, Normandie, France Burial Spouse André de VITRÉ | F11974 Marriage