- Born in 1152
- Killed on September 7, 1191 in Herzliyya, at the approximate age of 38 years
Parents
- Nicolas d'Avesnes, Nicolas "le beau" d'Avesnes (1110 - 1171), seigneur d'Avesnes
- Mathilde de Namur, Mathilde de La Roche (c. 1120 - c. 1152), comtesse de La Roche en Ardennes
Family
- Married in 1168, with Alix de Guise (c. 1150 - aft. 1207), dame de Lesquielles-Saint-Germain, issuing
Occupations
- croisé lors de la troisième croisade