Margaret of France (1254–1271) was a member of the House of Capet and was Duchess of Brabant by her marriage to John I, Duke of Brabant.
Born in 1254, Margaret was a daughter of Louis IX of France and his wife Margaret of Provence.[1] Margaret was originally in 1257 betrothed to Henry IV, Duke of Brabant, son of Henry III, Duke of Brabant and Alice of Burgundy.[2] Henry was deposed in 1267. Henry's brother, John I, Duke of Brabant married Margaret on 5 September 1270.[1]
Margaret became pregnant in 1270/1271. Margaret gave birth to a son in 1271. Mother and baby did not survive and both died shortly after the birth.