

ARNOUL de Bellême
From MEdlands:
http://fmg.ac/Projects/MedLands/NORMAN%20NOBILITY.htm#GuillaumeBell...
(-murdered). Guillaume de Jumièges names "Arnoul et Mabille" as children of Guillaume Talvas and Hildeburge, recording in a later passage his revolt against his father whom he forced into exile, and his being strangled in his bed[128].