Hij had een relatie met MAUD de THEROUANNE.
MALAHULC . Orderic Vitalis (writing in ) names Malahulc as an uncle of Rollo and ancestor of the Tosny family. He is not mentioned in the Sagas and no other primary source has been found which either names him or links him with the later members of the Tosny family.
See http://www.geni.com/family-tree/index/6000000003243404114 for family tree showing how Hugh de Cavalcamp (ancestor of de Tosny family) is brother to Richard I Vicount of Cotentin (ancestor of de Beaufou family), and their father Malahuc Eysteinsson is brother to Ragnavald Eysteinsson (whose son Hrolf / Rollo Ragnavaldsson is the ancestor of William the Conqueror). Stewart ("Orgin and Early Generations of the de Tosny Family", 2012, p.1) states that Hugh was a, "son or grandson of MALAHULCIUS (uncle of ROLLO)".