Francis Erdmann, Duke of Saxe-Lauenburg
Francis Erdmann of Saxe-Lauenburg, was duke of Saxe-Lauenburg between 1665 and 1666. He was the eldest son of Duke Julius Henry and his second wife Elisabeth Sophia of Brandenburg, daughter of John George, Elector of Brandenburg.Marriage
In 1654 Francis Erdmann married his half-cousin Sibylle Hedwig of Saxe-Lauenburg, daughter of Duke Augustus. Since their marriage remained without heir Francis Erdmann was succeeded by his half-brother Julius Francis.Ancestry
