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Male Jean De Fiennes Click to view Jean De Fiennes in the family tree

Jean's father was Guillaume II De Fiennes Sir and his mother was Blanche De Brienne.  His paternal grandfather was Ingelram II De Fiennes Sir and his paternal grandmother is Isabel De Conde; his maternal grandfather was Jean De Brienne and his maternal grandmother is Jeanne De Chateaudun. He had a sister named Margaret.


Jean's family with Isabelle De Flanders

They had a daughter named Jeanne.

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