Густав IV Адольф
Prince Gustav Vasa, Count Itterburg (; 9 November 1799 at Stockholm – 4 August/5 August 1877 at Pillnitz), born Crown Prince of Sweden and later called Gustaf Gustafsson von Holstein-Gottorp, Prince of Vasa, was the son of King Gustav IV Adolf of Sweden and Queen Frederica. His Austrian princely title (from 1829) was actually spelled "Wasa".