Exporabbit
Magnus, king of Livonia and his wife Maria Vladimirovna of Staritsa. Magnus of Denmark or Magnus of Holstein (5 September [O.S. 26 August] 1540 – 28 March [O.S. 18 March] 1583) was a Prince of Denmark, Duke of Holstein, and a member of the House of Oldenburg. As a vassal of Tsar Ivan IV of …