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Male Guillaume De Croy Click to view Guillaume De Croy in the family tree

Guillaume De was born about 1328.  Guillaume De's father is Jacques De Croy and his mother is Marie De Picquigny.  His maternal grandfather was Renault De Picquigny and his maternal grandmother is Jeanne De Brienne.  He was an only child.  He died in March 1384.


Guillaume De's family with Isabeau De Renty

‌Guillaume De and Isabeau De were married in a religious ceremony in 1354.  They had a son named Jean De.


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