- Born in 1085 in Avesnes-le-Comte
- Deceased in 1137, at the approximate age of 51 years
Parents
- Wallérand d'Avesnes (1053 - 1098), seigneur d'Avesnes
- Berthe d'Aubigny (1065 - 1115)
Family
- Married in 1112, with Isabeau de Saulty (1097 - 1152), issuing
Havoise (1112 - 1169)