Pope Urban II that was caused by the Great Schism of 1054. Others believe that Urban saw this as an opportunity to gain legitimacy as the pope as at the time he was contending with the antipope Clement III. A third theory is that Urban felt threatened by the Muslim incursions into Europe and saw the crusades as a way to unite the christian world into a unified defense against them. The most important effect of the First Crusade for Urban himself was the removal of Clement III from Rome in 1097 by one of the French armies. His restoration there was supported
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