Clara of Saxe-Lauenburg German noble (1518–1576) Parents Catherine of Brunswick-Wolfenbüttel, Duchess of Saxe-Lauenburg Magnus I, Duke of Saxe-Lauenburg Children Clara of Brunswick-Lüneburg Katherine von Braunschweig-Lüneburg-Gifhorn Siblings Ursula von Sachsen-Lauenburg Catherine of Saxe-Lauenburg Francis I, Duke of Saxe-Lauenburg Dorothea of Saxe-Lauenburg Sophie of Saxe-Lauenburg Partners Francis, Duke of Gifhorn