John IV | |
---|---|
Duke of Saxe-Lauenburg | |
Reign | 1401–1412 |
Predecessor | Eric IV of Saxe-Lauenburg |
Successor | Eric V of Saxe-Lauenburg |
Died | 1414 |
House | House of Ascania |
Father | Eric IV of Saxe-Lauenburg |
Mother | Sophia of Brunswick-Lüneburg |
John IV of Saxe-Lauenburg[1] (*?–1414*) was a son of Duke Eric IV of Saxe-Lauenburg and Sophia of Brunswick-Lüneburg.