Guilliaume de Montfort He fought in the First Crusade, but was killed there in battle on 27 August 1101. 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
Pope Urban II by Matilda of Tuscany. Urban II died on 29 July 1099, fourteen days after the fall of Jerusalem to the Crusaders, but before news of the event had reached Italy; his successor was Pope Paschal II. Urban also gave support to the crusades in Spain against the Moors there. Pope Urban was concerned that the focus on the east and Jerusalem would neglect the fight in Spain. He saw the fight in the east and in Spain as part of the same crusade so he would offer the same remission of sin for those that fought in Spain and discouraged