Magnus, Duke of Holstein
| Magnus of Denmark | |
|---|---|
Seal of Magnus of Denmark | |
| Bishop of Ösel-Wiek | |
| Reign | 1560–1572 |
| Bishop of Courland | |
| Reign | 1560–1583 |
| King of Livonia (nominal) | |
| Reign | 1570–1578 |
| Born | 5 September 1540 Copenhagen Castle, Denmark |
| Died | 28 March 1583 (aged 42) Pilten, Courland and Semigallia (now Piltene, Latvia) |
| Burial | |
| Spouse | Maria Vladimirovna of Staritsa |
| Issue | Marie of Oldenburg Eudoxia of Oldenburg |
| House | House of Oldenburg |
| Father | King Christian III of Denmark |
| Mother | Dorothea of Saxe-Lauenburg |
| Religion | Lutheranism |
| Danish Royalty |
| House of Oldenburg Main Line |
|---|
| Christian III |
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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 Russia, he was the titular King of Livonia from 1570 to 1578.