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
Pope Urban II repeatedly lifted and reimposed as the king promised to forswear her and then repeatedly returned to her. A public penance in 1104 ended the controversy, although Bertrade remained active in attempting to see her sons succeed Philip instead of Louis.) The Pope's movement took its first public shape at the Council of Piacenza, where, in March 1095, Urban II received an ambassador from the Byzantine Emperor Alexios I Komnenos asking for help against the Muslim Seljuk Turks who had taken over most of formerly Byzantine Anatolia. A great council met, attended by numerous Italian, Burgundian, and French bishops in such