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Female Petronilla* De Grentesmaisnel Click to view Petronilla* De Grentesmaisnel in the family tree

Petronilla*'s father was Hugh* (Lord) De Grentesmaisnel and her mother was UNKNOWN ??.  Her paternal grandparents were Ivo* Baron De Grentesmaisnel and Filia* De Gant. She had a sister named Adeliza*.  She died on April 1st, 1212.1 


Petronilla*'s family with Robert* III (Earl) De Beaumont

‌Petronilla* and Robert* III (Earl) were married in a religious ceremony about 1155.1   They had two daughters named Margaret* and AMICIA (Countess).

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