Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Rudolph, Prince of Anhalt-Zerbst (Harzgerode, 28 October 1576 Zerbst, 30 July 1621), was a German prince of the House of Ascania and ruler of the unified principality of Anhalt. From 1603, he was ruler of the principality of Anhalt-Zerbst. Rudolph was the fifth son of Joachim Ernest, Prince of Anhalt, but third-born son by his second wife Eleonore, daughter of Christoph, Duke of Württemberg.