Magnus II, Duke of Saxe-Lauenburg German duke (1543–1603) (1543–1603) Parents Sibylle of Saxony Francis I, Duke of Saxe-Lauenburg Children Gustav of Saxe-Lauenburg Siblings Francis II, Duke of Saxe-Lauenburg Ursula of Saxe-Lauenburg Dorothea van Saksen-Lauenburg Maurice, Duke of Saxe-Lauenburg Henry of Saxe-Lauenburg Friedrich von Sachsen-Lauenburg Sidonia Catharina van Saksen Partners Princess Sophia of Sweden