- Born in 1170 in Aire-sur-la-Lys
- Deceased in 1230 in this municipality, at the approximate age of 59 years
Parents
- Christian de Strasele (1100 - 1163)
- Hawis d'Aire (1105 - )
Family
- Married in 1197 in Saint-Omer, with Béatrix de Saint-Omer (1180 - 1254), comtesse de Fauquembergue, issuing
Ermentrude- Béatrix
- Bauduin (1198 - 1251)
- Mathilde