Margaret de Beaumont - Pedigree | FamilyCentral
 Abt 1154 - 12 Jan 1235
 Abt 1130 - 31 Aug 1190
 Abt 1134 - 1 Apr 1212
 Abt 1104 - 5 Apr 1168
 Abt 1100 -
 Abt 1046 - 5 Jun 1118
 Abt 1081 - 17 Feb 1131
 Abt 1052 -
Family Group
 Abt 1022 - 1094
 Abt 1014 - 1081
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