 By the time of Carloman's death, the confirmation of a predecessor's concessions to the episcopate and the negotiating of new ones in exchange for support had become an Italian tradition.In 876, Charles had granted Pope John jurisdictional rights in the duchies of Spoleto and Camerino.After his succession, Carloman supported the dukes, Lambert I and Guy III, who had always claimed the rights as royal representatives which Charles had offered the pope.