__ __|__ __| | | __ | |__|__ __| | | __ | | __|__ | |__| | | __ | |__|__ __| | | __ | | __|__ | | __| | | | | __ | | | |__|__ | |__| | | __ | | __|__ | |__| | | __ | |__|__ | |--Hilduin C of Breteuil | | __ | __|__ | __| | | | __ | | |__|__ | __| | | | __ | | | __|__ | | |__| | | | __ | | |__|__ |__| | __ | __|__ | __| | | | __ | | |__|__ |__| | __ | __|__ |__| | __ |__|__
Vicomte de Chartres [also Count of Clermont?], d. a monk.
Turton's "Plantagenet Ancestry" identifies him possibly as the second
son of Hilduin de Ponthieu.