John De Tregoz - Pedigree | FamilyCentral
 Abt 1215 -
 Abt 1168 - Abt 1215
 1178 - 1236
 Abt 1100 - Aft 1131
 Abt 1112 - Aft 1198
 Abt 1125 - 1195
 Abt 1135 - Aft 1204
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