Bernard II, Duke of Saxe-Lauenburg German duke (1385–1463) Parents Sophia of Braunschweig-Lüneburg Eric IV, Duke of Saxe-Lauenburg Children Sophie of Saxe-Lauenburg John V, Duke of Saxe-Lauenburg Siblings Eric V, Duke of Saxe-Lauenburg John IV, Duke of Saxe-Lauenburg Catherine of Saxe-Lauenburg, Duchess of Mecklenburg Magnus of Saxony-Lauenburg Sophie of Saxe-Lauenburg Agnes of Saxe-Lauenburg Albrecht von Sachsen-Lauenburg Agnes of Saxe-Lauenburg Partners Adelheid of Pomerania