瓦迪斯瓦夫一世
Janisław, (? - December 4, 1341, Łęczyca),He was an Archbishop of Gniezno 1317–41, having in 1317 succeeded Borzysław I. Janisław unconditionally supported the policy of reunification of the Polish lands carried out by Władysław I the Elbow-high, whom he crowned King of Poland on January 20, 1320.