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Female Margaret De Fiennes Click to view Margaret De Fiennes in the family tree

Margaret De was born about 1269 in Wigmore, Herefordshire, England.  Margaret De's father was William De Fiennes and her mother was Blanche De Brienne.  Her paternal grandfather was Enguerran Ingelram De Fiennes and her paternal grandmother is Isabel Conde; her maternal grandparents were Jean De Brienne and Jeanne De Chateaudun. She had a brother named John De.  She was the older of the two children.


Margaret De's family with Edmund St Baron De Mortimer

‌Margaret De and Edmund St Baron De were married in a religious ceremony about 1285 in Fiennes, Bolonois, France.  They had a son and a daughter, named Roger De and Matilda Maud De.

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