Albert IV, Duke of Saxe-Lauenburg

Albert IV of Saxe-Lauenburg was a Duke of Saxe-Lauenburg. He was the eldest son of John II of Saxe-Lauenburg and Elisabeth of Holstein-Rendsburg, sister of Gerard III the Great. In 1321 Albert IV succeeded his father as Duke of Saxe-Bergedorf-Mölln, a branch duchy of Saxe-Lauenburg, while his mother served as regent, before she remarried Eric Christoffersen (*1307–1331*), a son of King Christopher II and co-ruler in Denmark.