Constance of Austria

Constance of Austria (; ; 24 December 1588 – 10 July 1631) was Queen of Poland as the second wife of King Sigismund III Vasa and the mother of King John II Casimir. Biography Constance was a daughter of Charles II of Austria and Maria Anna of Bavaria. Her paternal grandparents were Ferdinand I, Holy Roman Emperor and Anna of Bohemia and Hungary (1503–1547). Anne was the only daughter of King Vladislaus II of Bohemia and Hungary and his wife Anne de Foix. Her maternal grandparents were Albert V, Duke of Bavaria and Anne Habsburg of Austria. Constance was also a younger sister of Ferdinand II, Holy Roman Emperor, Margaret of Austria, Leopold V of Austria and Anna of Austria. Her older sister Anna was the first wife of King Sigismund III Vasa. After her death Constance and Sigismund were married on December 11, 1605.