Like his father, he was thrust into the Lüneburg Succession War, which he and his brothers attempted to end in 1373 by a treaty with the Ascanian dukes of Saxe-Wittenberg. According to this treaty, the rule over the Principality of Lüneburg would alternate between the two families.
Similar to his father, he was involved in the Lüneburg Succession War, which he and his brothers aimed to resolve in 1373 through a peace treaty with the Ascanian dukes of Saxe-Wittenberg. The treaty stipulated that the Principality of Lüneburg would be ruled alternately by the two families.