Matilda of Béthune

Matilda of Béthune, was a noblewoman from Artois who became countess of Flanders by marriage to Guy, Count of Flanders. She was heiress to her father's titles as Lady of Béthune, of Dendermonde, of Richebourg and of Warneton, as well as Advocatess of the Abbey of Saint Vaast at Arras, and the ruler of these states in 1248–1264. She was the mother of Robert, Count of Flanders, known as Robert of Béthune after his mother.