Marie des Barres
dame de La Ferté Alais
- Born circa 1205
- Deceased in 1239, at the approximate age of 33 years
Parents
- Guillaume des Barres (1192 - 1248), seigneur d'Oissery
- Béatrice de Thiers, Béatrice de Chalon (1174 - 1227), comtesse de Chalon
Family
- Married in 1223, with Guillaume III de Mont-Saint-Jean (c. 1210 - c. 1256), chevalier, seigneur de Mont-Saint-Jean, issuing
- Marie Agnès (1235 - 1301)
- Marie