John Casimir Vasa

John II Casimir (Polish: Jan II Kazimierz Waza; Lithuanian: Jonas Kazimieras Vaza; 22 March 1609 – 16 December 1672) was King of Poland and Grand Duke of Lithuania from 1648 until his abdication in 1668 as well as titular King of Sweden from 1648 until 1660. He was the first son of Sigismund III Vasa with his second wife Constance of Austria. John Casimir succeeded his older half-brother, Władysław IV Vasa.