SOURCE-07757Research NeededProbable
Charles Cawley, "Normandy, Avranches, Bayeux, Cotentin: C. Vicomtes d'Avranches"...
Full citation
Charles Cawley, "Normandy, Avranches, Bayeux, Cotentin: C. Vicomtes d'Avranches", Medieval Lands: A prosopography of medieval European noble and royal families, (v4.0 Updated 19 April 2017), Foundation for Medieval Genealogy, (http://fmg.ac/Projects/MedLands/normabc.htm#_Toc479099598 accessed 21 September 2017).