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
Renaud II, Count of Clermont-en-Beauvaisis Vermandois, and his wife Adele of Valois. Renaud and Adelaide had at least one child: Renaud married a second time to a woman whose name is not known; they had four children: Widowed, Renaud married for the third time, in 1129, to Clemence de Bar, daughter of Reginald I, Count of Bar, and his wife Giselle de Vaudémont. Renaud and Clemence had six children: Upon his death, Renaud was succeeded as Count of Clermont-en-Beauvaisis by his son Raoul. Renaud II, Count of Clermont-en-Beauvaisis Renaud II of Clermont ("Renaud/Rainald II de Clermont"; 1075–1152), son of Hugh I, Count of Clermont-en-Beauvaisis, and