History of Palestine Orthodox Church. However, in 1090, Byzantine Emperor Alexios I Komnenos began taking reconciliatory measures towards the Papacy, with the intention of seeking western support against the Seljuqs. In 1095 his ambassadors appeared before Pope Urban II at the Council of Piacenza, to request mercenary forces, and later that year at the Council of Clermont Pope Urban II called for the First Crusade. The Kingdom of Jerusalem was a Christian kingdom established in the Levant in 1099 as a result of the First Crusade. Its control of Jerusalem and most of Palestine lasted almost a century until defeat by Saladin's forces
Guilliaume de Montfort Guilliaume de Montfort Guilliaume de Montfort () (died 27 August 1101) was a French bishop, most notably the Bishop of Paris from 1095 to 1101. Montfort's date of birth is not known, but it was some time before the death of his father, Simon I de Montfort in 1087. He was Bishop of Yves some time before becoming the Bishop of Paris. In 1095, Pope Urban II held the Council of Clermont at Clermont-Ferrand, France. It excommunicated Philip I of France and Bertrade de Montfort, William's sister, for adultery. William had been noted as a great supporter of Urban II,