In 1095 he attained the Council of Piacenza and confirmed Eupraxia's accusations that Henry IV was a member of Nicolaitan sect, participated in orgies, and offered Eupraxia to Conrad[1], stating this being the reason for his turning against his father. Shortly after the Council, he swore an oath of loyalty to Pope Urban II in Cremona and served as the Pope's strator, leading the Pope's horse as a symbolic gesture of humility. In turn, Urban promised Conrad the Imperial crown. In the same year, the Pope arranged a marriage of Conrad to Constanze of Sicily, daughter of Count Roger I of Sicily.