The reign of Władysław's brother John Casimir, the last of the Vasas, was dominated by the culmination in the war with Sweden, the groundwork for which was laid down by the two previous Vasa kings.
Domnia fratelui lui Vladislav, Ioan Cazimir, ultimul din familia Vasa, a fost dominat de punctul culminant în războiul cu Suedia, baza care fusese stabilită de cei doi regi Vasa anteriori.