Sibylle married Julius Ernst of Brunswick-Dannenberg, Duke Brunswick-Dannenberg on 18 Dec 1617. Julius (son of Henry of Danneburg Brunswick-Lüneburg, Duke of Danneburg and Ursula of Saxe-Lauenburg) was born on 11 Mar 1571; died on 26 Oct 1636. [Group Sheet] [Family Chart]
1584 - 1652 (68 years)
