Albert V, Duke of Saxe-Lauenburg German duke (1330–1370) Parents Sophie of Werle-Güstrow Albert IV, Duke of Saxe-Lauenburg Children Siblings Eric III, Duke of Saxe-Lauenburg John III, Duke of Saxe-Lauenburg Bogislaw VI, Duke of Pomerania Wartislaw VI, Duke of Pomerania Elisabeth of Pomerania Partners Catherine of Werle-Güstrow