Mary, Countess of Blois
| Mary, Countess of Blois | |
|---|---|
| Spouse(s) | Hugh I of Châtillon |
| Noble family | House of Avesnes |
| Father | Walter of Avesnes |
| Mother | Margaret of Blois |
| Born | 1200 |
| Died | 1241 |
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.
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. They had five children:
- John I (died 1280), Count of Blois
- Guy II (died 1289), Count of Saint Pol
- Gaucher (died 1261), lord of Crécy and Crèvecœur
- Hugh (died 1255)
- Basile (died 1280), became Abbess of Notre Dame du Val in 1248.
Her eldest son John, succeeded her in Blois.
| Mary, Countess of Blois Born: 1200 Died: 1241 | ||
| Preceded by Margaret |
Countess of Blois with Hugh I 1225–1241 |
Succeeded by John I |