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

Petronilla was born in Dublin, Ireland.  She died after November 25th, 1288.

Petronilla's first family with William de St. Omer

‌Petronilla and William were married in a religious ceremony after September 1239.  They had a son named Thomas de St. Omer.


Petronilla's second family with Ralph de Toeni IV Lord Flamstead

‌Petronilla and Ralph de Toeni IV were married in a religious ceremony.  They had a son named Roger de Toeni V.

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