Nanker
Nanker, born Jan Kołda around 1270 near Bytom, was a Polish cleric and supporter of King Władysław the Short. He was archdeacon of Sandomierz before studying canon law in Bologna, and later became dean of Kraków. Consecrated bishop of Kraków in 1320, he issued diocesan statutes and began the Gothic Wawel Cathedral.
Translated to Wrocław in 1326, he ruled the episcopal principality of Nysa and in 1337 excommunicated King John of Bohemia. He died at Nysa in 1341 and was buried in Wrocław Cathedral.