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Female Petronilla De Lacy Click to view Petronilla De Lacy in the family tree

Petronilla was born in 1195 in Meath, Ireland.1   Petronilla's father was Walter De Lacy and her mother was Margaret Braose.  Her paternal grandparents were Hugh De Lacy and Rohesia De Clare; her maternal grandparents were William De Braose and Maud De Saint Valery. She had a half-sister named Egidia.  She died at the age of 93 in 1288 in England.1 


Petronilla's first family with Ralph De Toeni

‌Petronilla and Ralph were married in a religious ceremony in 1234 in Radnor, , Cheshire, England.  They had a daughter named Constance.


Petronilla's second family with William St Omer

‌Petronilla and William were married in a religious ceremony on October 15th, 1256 in , , Meath, Ireland.  They had a son named Thomas.

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