 Margaret, daughter of Henry III and Eleanor of Provence.Born 29 Sep 1240 Windsor Castle,Berkshire,England, died 26 Feb 1275 Cupar Castle,Fife, 34 years Married 26 Dec 1251 York (23 years married) to:  Alexander III, son of Alexander II and Mary of Coucy.Born 1241, died 1286, 44 or 45 years, 1st marriage to: Margaret, 2nd married/ related to: Yolande Child: | |||