Herfast
Events
Date of Birth: unknown.
Place of Birth: unknown.
Date of Death: unknown.
Place of Death: unknown.
Relationships
Father: unknown.
Mother: unknown.
Sister: Gunnor.
This relationship is given by Tanner and by van Houts (XII:231).
Spouse: unknown.
Children:
Osbern married Emma d’Ivry.
References
Cawley, Charles. “OSBERN de Crépon” in Medieval Lands: A prosopography of medieval European noble and royal families.
Tanner, Heather J. Families, Friends, and Allies: Boulogne and Politics in Northern France and England c. 879 - 1160. (Brill: 2004).
Van Houts, Elisabeth. “Robert of Torigni as Genealogist” in History and Family Traditions in England and the Continent: 1000-1200 (Ashgate, 1999).