Mary of Avesnes

Mary of Avesnes (1280–1354), also called Marie of Hainaut, was a daughter of John II, Count of Holland and Hainaut, and Philippa of Luxembourg. In 1310 she married Louis I, Duke of Bourbon, and bore him eight children.

Among them were Peter I, Duke of Bourbon, and James I, Count of La Marche, both killed in battle after her death, and Beatrice, who in 1334 married King John of Bohemia. Through her brother William I of Hainaut she was aunt to Philippa of Hainault, queen of England.