In addition to this rich prebends, he also received from the council important diplomatic missions, but the war against Venice prevented him to participate in the Sejms of Nuremberg and Mainz, or in the disputes between Austria and Poland for the Bohemian throne.
Selain prebend yang kaya ini, ia juga menerima dari dewan-dewan misi diplomatik penting, namun perang melawan Venise mencegahnya untuk berpartisipasi di dalam Sejm Nuremberg dan Mainz, atau di Austria dan Polandia yang bersengketa atas takhta Bohemia.