Dorothea van Saksen-Lauenburg (1543-1586) (1543–1586) Parents Sibylle of Saxony Francis I, Duke of Saxe-Lauenburg Children Siblings Francis II, Duke of Saxe-Lauenburg Ursula of Saxe-Lauenburg Henry of Saxe-Lauenburg Friedrich von Sachsen-Lauenburg Sidonia Catharina van Saksen Magnus II, Duke of Saxe-Lauenburg Maurice, Duke of Saxe-Lauenburg Partners Wolfgang, Duke of Brunswick-Grubenhagen