and a star in the constellation Cygnus. The Potemkin nieces Elena Aleksandrovna, the sister of Grigory Potemkin, was married to Vasily Andreyevich von Engelhardt. Their six daughters, being nieces of Potemkin, were imperial favorites and featured prominently in the court of Catherine II and the subsequent reign. Potemkin doted on his nieces (and, it is generally assumed in the case of Barbara, Alexandra, and Catherine, had sexual relations) and bequeathed to them some of his great wealth. The six Potemkin nieces were: Barbara von Engelhardt (1752–1815), who married Prince Sergey Feodorovich Golitsyn (1749–1810). Aleksandra von Engelhardt (1754–1838), who married Count Franciszek Ksawery Branicki (1730–1819). Anna Sofia von Engelhardt (175?–1820), who married Mikhail Mikhailovich Zhukov (1728–1803), Governor of Astrakhan. Nadejda von Engelhardt (1759–1823), whose first marriage in 1775 was to Colonel Pavel Alekseevich Izmaylov (d. 1781) and second to Peter Shepelev (1737–1828). Yekaterina von Engelhardt (1761–1829), whose first marriage was to Count Paul Martynovich Skavronsky (1757–1793) and second to Count Giulio Renato Litta (1763–1839). Tatiana von Engelhardt (1769–1841), whose first marriage was to Count Mikhail Sergeevich Potemkin (1744–1791), her mother's and her uncle's cousin, and second in 1793 to Prince Nikolai Borisovich Yusupov (1750–1831). Notable Engelhardts William Karpovich Engelhardt (alternately Wilhelm Heinrich Engelhardt or Vasily Karlovich Engelhardt)(1726–1797), general, and Lieutenant Governor of Vyborg. Vasily Vasilyevich (born 1758), officer in the Russo-Turkish War (1787–1792), senator. Grigori Engelhardt (1759–1834), Russian general. Christoph von Engelhardt (1762–1831), Russian general. Georg von Engelhardt (1775–1862), Russian statesman, editor and author. Otto Moritz Ludwig von Engelhardt (1778–1842), professor of Mineralogy at Tartu University. Alexander Bogdanovich Engelhardt (1795–1859), baron, Russian lieutenant general, chief of southern military settlements. Sergey Petrovich Engelhardt (1795–1870), Governor of Mogilev. Valerian Engelhardt (1798–1856), general and civil engineer. Nikolai Fedorovich Engelhardt (1799–1856), brother of Valerian F. Engelhardt, Lieutenant General and Commander of the 15th Infantry Division in the Sevastopol campaign of 1854–55. Baron Gustav Moritz Constantin (1828–1881), professor and Dean of the Theological Faculty of the University of Dorpat. Vasily Pavlovich Engelhardt (1828–1915), astronomer, and chronicler of Suvorov's Swiss expedition. Alexander Nikolayevich Engelhardt (1832–1893), renowned scholar and agriculturalist. Helene von Engelhardt (1850–1910), poet and translator. Nick Clegg, Deputy Prime Minister of the UK and Leader of the Liberal Democrats, whose grandmother, Baroness Kira von Engelhardt (1909-2005), was the niece of Baroness Moura Budberg. Vladimir Alexandrovich Engelhardt, Soviet biochemist, academician of the Soviet Academy of Medical Sciences (1944), academician of the Soviet Academy of Sciences (1953), founder