People Ferdinand IV, King of the Romans King of Bohemia, Hungary, Croatia, and the Romans (1633-1654)8 September 1633 – 9 July 1654 Maria Anna of Spain18 August 1606 – 13 May 1646Ferdinand III, Holy Roman Emperor13 July 1608 – 2 April 1657 Ferdinand IV, King of the Romans8 September 1633 – 9 July 1654 ParentsMaria Anna of Spain18 August 1606 – 13 May 1646Ferdinand III, Holy Roman Emperor13 July 1608 – 2 April 1657SiblingsMariana of Austria24 December 1634 – 16 May 1696Leopold I, Holy Roman Emperor9 June 1640 – 5 May 1705 From Wikipedia and Wikidata (public domain), updated daily.
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