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
Saint-Flour, Cantal a fortress in the ruins of the monastery, but, seized with remorse, donated it once more to Odilo of Cluny. Urban II, following the Council of Clermont (1095) consecrated the new abbey church, which received a triple dedication reflecting local tradition and present affiliations: Saint-Sauveur, Saint Pierre and Saint Flour. The diocese of Saint-Flour was established in August 1317 by the Avignon pope, John XXII. During the Revolution the commune took several successive names, de-Christianized as Fort-Cantal, "Fort-Libre" then Mont-Flour before retrieving its ancient historic designation in "an II" (1793). The territory of the commune was never changed. Briefly, between