Principality of Anhalt-Zerbst
Anhalt-Zerbst was a principality of the Holy Roman Empire ruled by the House of Ascania, with its residence at Zerbst in present-day Saxony-Anhalt.After Christian August's death in 1747, his widow Johanna Elisabeth of Holstein-Gottorp governed the country for her son Frederick Augustus until 1752.She had the new castle at Dornburg built as her thirds from 1750, a lavish baroque palace prepared to host her brother, Adolf Frederick, King of Sweden, or her daughter Sophie Auguste Fredericka, who in 1745 had married the Russian crown prince Peter III, to become empress in 1762, better known as Catherine the Great.Johanna Elisabeth died in Paris in 1760 and her son, Frederick Augustus, never returned to Zerbst and continued to live in Basel and Luxemburg.Upon his death in 1793, the Principality of Anhalt-Zerbst came to an end with its territory being divided among the Ascanian princes of Anhalt-Dessau, Anhalt-Köthen, and Anhalt-Bernburg while Jever was inherited by his sister, Catherine the Great, and remained under Russian rule until 1818.