Hilduin comté de Montdidier et Roucy
- Born: Abt 1010, France
- Marriage: Alix de Roucy in 1031
- Died: 1063, Montdidier, Somme, France about age 53
Another name for Hilduin was Hilduin de Rameru.
~Weis' Ancestral Roots . . ., 8th Edition, 246:22, Hilduin de Rameru, comté de Montdidier and Roucy married Alix de Rocy. 160
~Cokayne's Complete Peerage, 2nd Edition, (Chester), Vol. III , p. 165, Hughes and his wife Margaret, daughter of Hilduin, Comté de Rouci & Montdidier, were parents of Ermentrude, the wife of Hugh d'Avrances. 141
Hilduin married Alix de Roucy, daughter of Ebles Comte de Roucy et Reims and Béatrix Comtesse de Hainault y Roucy, in 1031. (Alix de Roucy was born about 1014 in Roucy, , , France and died in 1062.)