Nielsen Hayden genealogy
Family: Roger de Montgomery / Mabel de Bellême (F1554)
m. Abt 1050-
Male
Roger de Montgomery
Birth of St. Germain de Montgommeri, Calvados, Normandy, France 
Death 27 Jul 1094 Shrewsbury Abbey, Shropshire, England Burial Shrewsbury Abbey, Shropshire, England Marriage Abt 1050 [1] Father Roger de Montgomery | F1761 Group Sheet Mother Emma | F1761 Group Sheet
Female
Mabel de Bellême
Birth Death Dec 1077 Bures-sur-Dives, Normandy, France Burial Troarn, Calvados, Normandy, France Father William I Talvas | F6496 Group Sheet Mother Hildeburg | F6496 Group Sheet
Female
+ Maud de Montgomery
Birth Death Between 1082 and 1084 Burial Grestain Abbey, Fatouville-Grestain, Normandy, France Spouse Robert de Mortain | F1888 Marriage Bef 1066
Female
+ Sibyl de Montgomery
Birth Death Aft 1107 Burial Spouse Robert fitz Hamon | F1187 Marriage Between 1087 and 1090
Male
+ Roger "the Poitevin" de Montgomery
Birth Death 1123 Burial Spouse Almodis | F2648 Marriage Bef 1091
Male
+ Robert II de Bellême
Birth 1057 Sées, Orne, Normandy, France Baptism 1057 Sées, Orne, Normandy, France Death Aft 1129 Burial Spouse Agnes de Ponthieu | F5915 Marriage Bef 9 Sep 1087
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