uncle Ladislaus the Posthumous, King of Hungary and Bohemia, died in 1457 at the age of 17, without leaving an heir. Casimir's father, King Casimir IV, subsequently...

Jagiełło, John I Albert Casimir IV Jagiellon, Sigismund I the Old, Henry of Valois, Sigismund III Vasa, John II Casimir Vasa. Poznań was also an emperors'...