Ivres (Allencon) De Bellesme

Ivres (Allencon)'s father was Yves (Ives) De Of Alencon Count and his mother was Gohilda (Godenhaute) Of Ponthieu.  His paternal grandfather was Yves De Creil Seigneur and his paternal grandmother is Geile (); his maternal grandparents are Hildouin De Penthieu and Hersenda (). He had a brother and two sisters, named William I (Fabour), Godchilde and Godhaut.

He has a biological son named Renaud I.