 As a reverted fief, the margraviate fell back to the Wittelsbach king Louis IV.In 1323, he enfeoffed his eldest son Louis with Brandenburg, ignoring the claims of the Ascanian princes of Anhalt.In 1348, an impostor appeared in the Archbishopric of Magdeburg and successfully claimed that he was Waldemar, returning from pilgrimage to the Holy Land after somebody else had been buried in his place.