Jan BusińskiJan Busiński was a Roman Catholic prelate who served as Auxiliary Bishop of Gniezno.BiographyOn 11 Jan 1527, Jan Busiński was appointed during the papacy of Pope Clement VII as Auxiliary Bishop of Gniezno and Titular Bishop of Athyra. He served as Auxiliary Bishop of Gniezno until his death on 20 January 1541.