Hugues Ier D'oisy

Hugues Ier was born in 1046.  Hugues Ier's father was Hugues De Douai and his mother was Adèle De Cambrai.  His maternal grandparents were Gauthier II De Cambrai and Ermentrude N.... He had a brother named Fastre Ier.  He was the older of the two children.  He died at the age of 65 in 1111.

They had a son named Hugues II.