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
Simon II of Clermont-Nesle the famous Robert VIII Bertrand , a Marshal of France. His brothers were famous French generals, Raoul of Clermont, Viscount of Châteaudun and Seigneur of Nesle, Constable and Grand Chamberlain of France, and Guy I of Clermont, Marshal of France, Seigneur of Offemont and Ailly, both killed 1302 in the Battle of the Golden Spurs. Simon II of Clermont-Nesle Simon II of Clermont-Nesle (born after 1250 – died 22 December 1312 or c. February 1313), Peer of France and bishop of Noyon (1297–1301) and Bishop-count of Beauvais (1301–c. 1312). Simon was one of few bishops that supported King Philip IV