- Born in 1053 in Avesnes-le-Comte
- Deceased in 1098 in this municipality, at the approximate age of 44 years
Parents
- Alexandre d'Avesnes (1019 - 1067), chevalier, seigneur d'Avesnes
- Mahaut de Hainaut (1032 - 1089)
Family
- Married in 1081, with Berthe d'Aubigny (1065 - 1115), issuing
- Gauthier (1085 - 1137)