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

Jean De was born about 1336.  Jean De's father is Jean De Mailly and his mother is Marie Jeanne De Picquigny.  His maternal grandfather was Jean De Picquigny and his maternal grandmother is Marthe D' Amiens. He had a half-brother and a half-sister, named Jean III De and Marguerite De.


Jean De's family with Jeanne De Moreuil

‌Jean De and Jeanne De were married in a religious ceremony about 1357.  They had a son named Jean De.


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