 Margaret Plantagenet Duchess of Brabant , Duchess of Brabant, daughter of Edward I, "Longshanks" Plantagenet King of England and Eleanor de Castilla.Born Sep 11, 1275 at Windsor Castle,Berkshire,England, died 1318 at ,of Brabant,Belgium, 42 or 43 years Married John II, Duke of Brabant. Married 1290 at Westminster Abbey,London,England (21 or 22 years married) to:  Duke of Lorraine John II "the Peaceful" Duke of Brabant, son of Jean I Duke of Brabant and Marguerite I of Flanders.Born 1275, died 1312, 36 or 37 years Child: | |||