(1207–72)
king of England (1216–72) and the son of King John . He was not popular with the barons , who disliked his use of foreign people to advise him and criticized him for poor judgement in financial matters. In 1264, Simon de Montfort led a rebellion of the barons and Henry was defeated and put in prison. He took back power in 1265 after a battle in which the rebels were defeated by an army led by Henry’s son (later Edward I ).