William, called William the Younger, was Duke of Brunswick-Lüneburg and Prince of Lüneburg from 1559 until his death. Until 1569 he ruled together with his brother, Henry of Dannenberg.
William was the third son of Ernest I, Duke of... Wikipedia
Born: July 4, 1535
Died: August 20, 1592 (age 57 years), Celle, Germany
Great-grandparents: Otto V, Duke of Brunswick, Ernest, Elector of Saxony, John Cicero, Elector of Brandenburg, and more