History of Christianity defeating them at the Battle of Manzikert. Emperor Alexius I asked for aid from Pope Urban II (1088–1099) for help against Islamic aggression. He probably expected money from the pope for the hiring of mercenaries. Instead, Urban II called upon the knights of Christendom in a speech made at the Council of Clermont on 27 November 1095, combining the idea of pilgrimage to the Holy Land with that of waging a holy war against infidels. The First Crusade captured Antioch in 1099 and then Jerusalem. The Second Crusade occurred in 1145 when Edessa was retaken by Islamic forces. Jerusalem would
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