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Female Petronilla deGrandmesnil Click to view Petronilla deGrandmesnil in the family tree

Petronilla's father was Hugh deGrandmesnil and her mother was Adelhyde de Gaunt.  Her maternal grandparents were Gilbert deGant and Alice deMontfort.  She was an only child.


Petronilla's family with Robert deBeaumont

They had a daughter named Amicia.

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