Isabelle de Dreux
- Born circa 1188
- Deceased circa 1242, at the approximate age of 53 years
Parents
- Robert II de Dreux, le Jeune (c. 1154 - 1218), chevalier, comte de Dreux, administrateur des comtés de Nevers, Auxerre et Tonnerre, croisé
- Yolande de Coucy (c. 1161 - 1224)
Family
- Married with Jean de Pierrepont (c. 1205 - c. 1251), comte de Roucy