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

Jean De was born about 1265.  Jean De's father was Guillaume De Courtenay and his mother is Agnes De Toucy.  His paternal grandfather was Robert I De+ Courtenay and his paternal grandmother is Mahaut De+ Mehun. He has a half-sister named Marguerite De.


Jean De's family with Jeanne De Sancerre

‌Jean De and Jeanne De were married in a religious ceremony in October 1290.


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