[PAR] [TLE] Cecilia Renata of Austria [SEP] Archduchess Cecilia Renata of Austria (German: "Cäcilia Renata"; Polish: "Cecylia Renata"; 16 July 1611 – 24 March 1644) was Queen of Poland as consort to the Polish-Lithuanian Commonwealth's King Władysław IV Vasa. [PAR] [TLE] Sigismund Casimir [SEP] Sigismund Casimir, Crown Prince of Poland (Polish: "Zygmunt Kazimierz Waza" ), (1 April 1640 – 9 August 1647) - was the only legitimate son of King Władysław IV and his first wife Queen Cecilia Renata.  He was named after his grandfather Sigismund III, and uncle John Casimir.
[PAR] [TLE] Cecilia Renata of Austria [ SEP ] Archduchess Cecilia Renata of Austria ( German : " Cäcilia Renata " ; Polish : " Cecylia Renata " ; 16 July 1611 – 24 March 1644 ) was Queen of Poland as consort to the Polish - Lithuanian Commonwealth 's King Władysław IV Vasa . [PAR] [TLE] Sigismund Casimir [ SEP ] Sigismund Casimir , Crown Prince of Poland ( Polish : " Zygmunt Kazimierz Waza " ) , ( 1 April 1640 – 9 August 1647 ) - was the only legitimate son of King Władysław IV and his first wife Queen Cecilia Renata . He was named after his grandfather Sigismund III , and uncle John Casimir .
In what year did Sigismund Casimir's mother die?
In what year did Sigismund Casimir 's mother die ?
1644
1644