Eric V, Duke of Saxe-Lauenburg German duke (1400–1435) Parents Sophia of Braunschweig-Lüneburg Eric IV, Duke of Saxe-Lauenburg Children Siblings Magnus of Saxony-Lauenburg Catherine of Saxe-Lauenburg, Duchess of Mecklenburg John IV, Duke of Saxe-Lauenburg Bernard II, Duke of Saxe-Lauenburg Sophie of Saxe-Lauenburg Agnes of Saxe-Lauenburg Albrecht von Sachsen-Lauenburg Agnes of Saxe-Lauenburg Partners Elisabeth von Holstein