Mary, Countess of Blois

Mary
suo jure Countess of Blois
Seal
Born	1200
Died	1241 (aged 40–41)
Noble family	Avesnes
Spouse(s)	Hugh I of Châtillon ​ (m. 1226)​
Issue John I Guy II Gaucher Hugh Basile
Father	Walter II of Avesnes
Mother	Margaret of Blois

Mary, Countess of Blois was countess of Blois (1230-1241). Mary was born into the family of Walter of Avesnes and Margaret of Blois.^[1]

References

1. (FR)Henri Platelle, Présence de l'au-delà: une vision médiévale du monde, (Presses Universitaires du Septentrion, 2004), 284.