HILDOUIN III DE MONTDIDIER SEIGNEUR DE RAMERU

HILDOUIN III DE MONTDIDIER SEIGNEUR's father was HILDOUIN II (III; COUNT) OF MONTDIDIER and his mother was Hersinde De DAMMARTIN.  His paternal grandfather was HILDOUIN I MONTDIDIER.  He was an only child.

They had a son named HILDOUIN IV COUNT OF.