| Father | King Hans of Denmark-Norway-Sweden (1455 - 1513) |
| Mother | Christina Wettin of Saxony Queen of Denmark (1461 - 1521) |
| Sibling | Princess Elisabeth of Denmark, Sweden, and Norway (1485 - 1555) |
| Sibling | Johan "John" Oldenburg Denmark (1477 - 1513) |
| Sibling | Ernst Oldenburg (1480 - ) |
| Sibling | King Christian II of Denmark-Norway-Sweden (1481 - 1559) |
| Sibling | Ernst Oldenburg (1482 - ) |
| Sibling | Hans Oldenburg (1483 - ) |
| Sibling | Brother Jacob the Dacian of Denmark (1484 - 1566) |
| Sibling | Jacob Oldenburg (1484 - 1566) |
| Sibling | Agnes Princess Of Denmark (1486 - 1545) |
| Sibling | Knud Oldenburg (1486 - ) |
| Sibling | Prince Francis Oldenburg of Denmark-Norway-Sweden (1497 - 1511) |
| Sibling | Johann Oldenburg (1513 - ) |