John IV, Duke of Saxe-Lauenburg

John IV
Duke of Saxe-Lauenburg

(joint rule with Eric IV – till 1412 – and Eric V)
Reign1401–1412
PredecessorEric IV of Saxe-Lauenburg
SuccessorEric V of Saxe-Lauenburg
Died1414
HouseHouse of Ascania
FatherEric IV of Saxe-Lauenburg
MotherSophia 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.

  1. ^ Some genealogies do not list and count John IV, since he was only co-ruling and died without children. So then they count John IV's nephew John V as John IV. John V's son John was counted IV as prince-bishop of Hildesheim. Thus the three are sometimes confused.