- Born in 1253
- Deceased on July 3, 1285, at the approximate age of 31 years
Parents
- Guy de Dampierre (c. 1226 - 1305), marquis de Namur, participant à la huitième croisade
- Mathilde de Béthune, dame de Béthune
Family
- Married with Jean Ier de Brabant, "Le Victorieux" (c. 1253 - 1294), duc de Brabant, issuing
Jean II (1275 - 1312)- Marguerite (1276 - 1311)
- Marie ( - 1338)