Reigned 1216-1272. A minor when he took the throne he did not take the reigns of Government himself until 1234. Baronian discontent simmered, boiling over in 1258 when Henry facing financial disaster attempted to raise large sums from his magnates. Reforms were agreed upon but then renouced by Henry. Simon de Montford lead a rebellion against the King (the Barons Wars) which was defeated after initial success, thereafter Hnery ceeded much of his power to his son. Burke say he was born 10 Oct 1206 and married 14 Jan, crowned 1216.