[1] He supported the plan for Władysław II Jagiełło's acceptance of the Czech crown from the Hussites.
[2] He supported pro-Hussite military expeditions of Sigismund Korybut to Bohemia in the years 1422-1427.
[1] After Jagiełło's death in 1434 he was the leader of the opposition against the political influences of Bishop of Kraków, Zbigniew Oleśnicki during the early years of the reign of young King Władysław III.
[3] During Church synods of Warka (1434), Sieradz and Piotrkow (1435) he spoke in favor of the abolishing of the Peter's Pence in Poland.
[4][5] His legacy lay in King Władysław's realization that the lesser nobility could be played off against the power of the great magnates and that the Catholic Church could be reigned in.