true but he didn't last long
The Duke of Kurland was replaced as Regent of the Russian Empire by the Empress Anna's niece, Grand Duchess Anna Leopoldovna. Named at birth, Elisabeth Katharina Christina, she was also known Anna Karlovna. Born at Rostock 18 December 1718 and died at Kholmoghori, Russia on 19 March 1746. Daghter of Tsarevna Ekaterina Ivanovna of Russia, born at Moscow 29 October 1691 and died at Saint Petersburg on 25 June 1733 (third child of Tsar Ivan V of Russia) and her husband Karl Leopold Duke of Mecklenburg-Schwerin born at Grabow on 26 November 1678 and died at-Dömitz on 28 November 1747. She married at Saint Petersburg on 14 Juy 1739 to Anton Ulrich, Duke of Braunschweig-Wolfenbüttel, the second son of Fredinand Albrecht II, Duke of Braunschweig-Wolfenbüttel and his wife Antoinette Amalie of Braunschweig-Wolfenbüttel, who was born on 28 August 1714 and died at Kholmoghori, Russia on 4 May 1774. Thier eldest child, Ivan Antonovich, born at Saint Petersburg on 23 August 1740 and was murdered at Schlüsselburg Fortress on 16 July 1764. The infant was adopted by his aunt Empress Anna I Ivanovna and proclaimed Emperor Ivan VI after her death. The infant had two regents during his short reign which lasted from 28 October 1740 until 7 December 1741. The infant emperor had four younger siblings who all died unmarried and without issue, Ekaterina Antonovna born at Saint Petersburg on 26 July 1741 and died at Horsens, Denmark on 7 April 1807; Elisaveta Antonovna born at Kholmoghori, Russia on 16 September 1743 and died at Horsens, Denmark on 20 October 1782; Peter Antonovich born at Kholmoghori, Russia on 30 March 1745 and died at Horsens, Denmark on 30 January 1798; Aleksei Antonovich born at Kholmoghori, Russia on 10 March 1746 and died at Horsens, Denmark on 23 October 1787.
David
