What country was the spouse of Caroline Amalie of Schleswig-Holstein-Sonderburg-Augustenburg king of before he was the King of Denmark?
Caroline Amalie of Augustenburg Caroline Amalie of Schleswig-Holstein-Sonderburg-Augustenburg (28 June 1796 – 9 March 1881) was queen consort of Denmark as the second spouse of King Christian VIII between 1839 and 1848.
Magnus, Duke of Holstein Magnus of Holstein (5 September [O.S. 26 August] 1540 – 28 March [O.S. 18 March] 1583 ) was a Prince of Denmark and a member of the House of Oldenburg. As a vassal of Ivan IV of Russia, he was the titular King of Livonia from 1570 to 1578.