Sophie of Saxe-Lauenburg Duchess of Pomerania (1350–1462) Parents Sophia of Braunschweig-Lüneburg Eric IV, Duke of Saxe-Lauenburg Children Krzysztof Warcisławowic Wartislaw X, Duke of Pomerania Eric II, Duke of Pomerania Siblings Catherine of Saxe-Lauenburg, Duchess of Mecklenburg Bernard II, Duke of Saxe-Lauenburg Magnus of Saxony-Lauenburg John IV, Duke of Saxe-Lauenburg Agnes of Saxe-Lauenburg Albrecht von Sachsen-Lauenburg Agnes of Saxe-Lauenburg Eric V, Duke of Saxe-Lauenburg Partners Wartislaw IX, Duke of Pomerania