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Female Petronille De Avesnes Click to view Petronille De Avesnes in the family tree

Petronille was born about 1090 in Avesnes, Pas-de-Calais, France.  Petronille's father was Fastre I D'Oisy and her mother was Ade De Avesnes.  She was an only child.

Petronille's family with Johann I Von Cysoing-Peteghem

‌Petronille and Johann I were married in a religious ceremony about 1120.  They had a son named Johann II.

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