Claim: Władysław Oporowski(1395-11 March 1453) was a Polish medieval political and religious leader who served as Deputy Chancellor of Poland,  Bishop of Kujawy  and archbishop of Gniezno and primate of Poland  from 1449 to 1453.
Evidence: Władysław Oporowski (1395–1453) was a Polish medieval political and religious leader. Deputy Chancellor of Poland (1429–1434), Bishop of Kujawy (1434–1449), archbishop of Gniezno and primate of Poland (1449–1453).