Baldwin I of Jerusalem fought for their brother, Godfrey of Bouillon, against Albert III, Count of Namur and Theoderic, Bishop of Verdun at Stenay in 1086. The childless Godfrey, who became duke of Lower Lotharingia in 1087, mentioned Baldwin in most of his charters of grant, indicating that Baldwin was regarded as his heir. Baldwin regularly visited the fortress of his wife's family at Conches-en-Ouche. Pope Urban II proclaimed the First Crusade at the Council of Clermont on 27November 1095. Godfrey of Bouillon decided to join the military campaign and sold or mortgaged his inherited domains to raise funds. One of his domains, the
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