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Female Sibill Herfast Click to view Sibill Herfast in the family tree

Sibill was born about 0965 in ,,France.  Sibill's father was Herfast De Crepon and her mother was Mrs. Cyrid de de Crêpon.  Her paternal grandparents were Herbastus Herfast of Arques de Crêpon and Gyrithe (Olafsdotter) Queen of Denmark. She had two brothers and a sister, named Osborne, Herfast and Avelina FitzRichard.  She was the second oldest of the four children. She had a half-brother and a half-sister, named Osbern Steward of and Sibell.


Sibill's family with Hugh de Montgomery

‌Sibill and Hugh de were married in a religious ceremony about 0983 in Montgomery,Normandy,France.  They had two sons named Hugh and Roger de.

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