Julius Francis, Duke of Saxe-Lauenburg Bohemian noble (1641–1689) Parents Anna Magdalena of Lobkowicz Julius Henry, Duke of Saxe-Lauenburg Children Duchess Sibylle of Saxe-Lauenburg Anna Maria Franziska of Saxe-Lauenburg Maria Anna Theresia von Sachsen-Lauenburg Siblings Francis Erdmann, Duke of Saxe-Lauenburg Maria Benigna Franziska von Sachsen-Lauenburg Partners Hedwig of the Palatinate-Sulzbach