Nevertheless, the hostile policy of Llewelyn, who had closely associated himself with the cause of Simon de Montfort and the barons, was at first successful.
By the treaty of Shrewsbury (1265) he was recognized as overlord of Wales; and in return Simon de Montfort was supplied with Welsh troops for his last campaign.
He treated Simon de Montfort as if he were a royal bailli; but it was not in virtue of any deep-laid scheme of his that in the end Amaury de Montfort, Simon's son, resigned himself to leave his lands to the Crown of France, and gave the Crown a power it had never before possessed in Languedoc.
The viscounty of Carcassonne, together with that of Beziers, was confiscated to the crown in 1247, as a result of the part played by the viscount Raymond Roger against Simon de Montfort in the Albigensian crusade, during which in 1209 the city was taken by the Crusaders (see Albigenses).
He is so great an admirer of Simon de Montfort that this work has been called a hagiography.
Bemont's Simon de Montfort (1884).
Prothero's Simon de Montfort (1877); W.
Bishop Creighton's principal published works are: History of the Papacy during the Period of the Reformation (5 vols., 1882-1897, new ed.); History of the Papacy from the Great Schism to the Sack of Rome (6 vols., 1897); The Early Renaissance in England (1895); Cardinal Wolsey (1895); Life of Simon de Montfort (1876, new ed.
From the 12th century onwards, its bishops, the first of whom appears to have lived about the 3rd century, began to encroach on the authority of the viscounts; the latter, after the Albigensian war, lost their estates, which passed to Simon de Montfort and then to the crown of France.
Had been able to encroach on France at one point only, when the Albigensian crusade had enabled him to exercise over the southern fiefs conquered by Simon de Montfort a political and secular supremacy in the form of collections of moneys.