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
Roman Catholic Archdiocese of Clermont Aquitaine by Pope John XXII, resulting in the creation of the diocese of Saint-Flour. In 1822, in the reorganization of French dioceses by Pope Pius VII, following the restoration of the Bourbon monarchy, the diocese of Clermont lost the Bourbonnais, on account of the erection of the diocese of Moulins. Since the reorganization in 2002 by Pope John Paul II, there are now four dioceses in the Province of Clermont: Clermont, Le Puy-en-Velay, Moulins, and Saint-Flour. The first Bishop of Clermont was Saint Austremonius (Stramonius). According to local tradition he was one of the seventy-two Disciples of Christ, by birth