Battle of Varna
Jan z Tarnowa had five sons, of which Jan Amor Starszy Tarnowski and Jan Gratus Tarnowski together with their cousin, Spytek z Jarosławia, died with King Władysław III of Poland in the 1444 Battle of Varna. His third son Jan Rafał Tarnowski became a priest and the last two, Jan Feliks Tarnowski became voivode of Lublin Voivodeship, while Jan Amor Młodszy Tarnowski inherited Tarnów and was appointed voivode of Kraków, and in 1490 castellan of Kraków.