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Female Sibell de Crepon Click to view Sibell de Crepon in the family tree

Sibell was born before 0965.  Sibell's father was Herfast de Crepon.  Her paternal grandparents were Herbastus the Dane de Crepon and Gunhild Olafsdatter of Sweden. She had a brother and a sister, named Osbern FitzHerfast de Crepon of and Gunnora.


Sibell's family with Hugh de Montgomery

They had a son named Roger I the Great.

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