Mary, Countess of Blois
Mary, Countess of Blois, also known as Marie of Avesnes, 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... Wikipedia
Born: 1200
Died: 1241 (age 41 years)
Grandchildren: Gaucher V de Châtillon, Guy IV, Count of Saint-Pol, Hugh II, Count of Blois, and more
Parents: Margaret, Countess of Blois and Walter II of Avesnes
Great grandchildren: Guy I, Count of Blois, Mahaut of Châtillon, Marie de St Pol, and more
Great-grandparents: Eleanor of Aquitaine, Theobald II, Count of Champagne, Matilda of Carinthia, and more
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