Francis I, duke of Saxe-Lauenburg (born 1510)

Francis I, Duke of Saxe-Lauenburg

Duke of Saxe-Lauenburg

Francis I of Saxe-Lauenburg was the eldest child and only son of Duke Magnus I of Saxe-Lauenburg and Catherine of Brunswick-Wolfenbüttel, daughter of Duke Henry IV the Elder of Brunswick and Lunenburg (Wolfenbüttel). Francis I succeeded his father in 1543 as duke of…