Mary  | |
|---|---|
| suo jure Countess of Blois | |
![]() Seal  | |
| Born | 1200 | 
| Died | 1241 (aged 40–41) | 
| Noble family | Avesnes | 
| Spouse(s) | |
| Issue | |
| Father | Walter II of Avesnes | 
| Mother | Margaret of Blois | 
Mary, Countess of Blois, also known as Marie of Avesnes, (1200–1241) was countess of Blois from 1230 to 1241.
She was the daughter of Walter of Avesnes and Margaret of Blois.[1]
In 1226, Mary married Hugh I of Châtillon, a count from Châtillon-sur-Marne, son of Gaucher III of Châtillon and Elisabeth of Saint-Pol.[2] They had five children:
- John I (died 1280), Count of Blois[3]
 - Guy II (died 1289), Count of Saint Pol[3]
 - Gaucher (died 1261), lord of Crécy and Crèvecœur[3]
 - Hugh (died 1255)[3]
 - Basile (died 1280), became Abbess of Notre Dame du Val in 1248.
 
References
- ↑ (FR)Henri Platelle, Présence de l'au-delà: une vision médiévale du monde, (Presses Universitaires du Septentrion, 2004), 284.
 - ↑ Theodore Evergates, The Aristocracy in the County of Champagne, 1100-1300, (University of Pennsylvania Press, 2007), 223.
 - 1 2 3 4 5 Theodore Evergates, The Aristocracy in the County of Champagne, 1100-1300, 254.
 
External links
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