and politician (Sweden) Reinhold Johan von Fersen (1646–1716), county governor (Sweden) Ferdinand Kettler (1655–1737), Duke of Courland Friedrich Kettler (1569–1642), Duke of Courland Frederick William Kettler (1692–1711), Duke of Courland Frederick Casimir Kettler (1650–1698), Duke of Courland Gotthard Kettler (1517–1587), the last Master of the Livonian Order and the first Duke of Courland Jacob Kettler (1610–1682), Duke of Courland Wilhelm Kettler (1574–1640), Duke of Courland Andreas Meyer-Landrut (born 1929), diplomat (Germany) Christoph von Lieven (1774–1839), military commander, politician and diplomat (Russia) Dorothea von Lieven (1785–1857), noblewoman and diplomat (Russia) Christoph Johann von Medem (1763–1838), courtier (Russia) Dorothea von Medem (1761–1821), last Duchess of Courland Karl Robert von Nesselrode (1780–1862), diplomat (Russia) Peter Ludwig von der Pahlen, (1745–1826), military Governor of St. Petersburg from 1798 to 1801, played pivotal role in the assassination of Emperor Paul. Johann Patkul (1660–1707), politician and military commander (Sweden, Poland, Russia) Adolf Pilar von Pilchau (1851–1925), politician, regent of the United Baltic Duchy Wolter von Plettenberg (1450–1535), Master of Livonian Order Alfred Rosenberg (1893–1946), politician, Nazi ideologist and architect, and convicted war criminal (Germany) Max Erwin von Scheubner-Richter (1884–1923), politician (Nazi Germany) Jacob von Sievers (1731–1808), politician (Russia) Ernest Stackelberg (1813–1870), diplomat and military figure Gustav Ernst von Stackelberg (1766–1850), diplomat (Russia) Otto Magnus von Stackelberg (1736–1800), diplomat (Russia) Karl von Struve (1835–1907), politician and diplomat (Russia) Jakob von Uexkull (born 1944), writer and politician (Germany) Victor von Wahl (1840–1915), military commander and politician Princess Wilhelmine (1781–1839), noble and the Duchess of Sagan Sergei Witte (1849–1915), first Prime Minister of the Russian Empire (Russia) Carl Gustaf Wrangel (1613–1676), military commander and statesman (Sweden) Olaf von Wrangel (1928-2009), journalist and politician, member of Bundestag (Germany) Herman Wrangel (1587–1643), military commander and statesman (Sweden) Religion Albert of Riga (Albert von Buxthoeven, 1165–1229), Bishop of Riga Alexy II of Moscow (Alexey Mikhailovich Ridiger, 1929–2008), Patriarch of Moscow John Christian Bechler (1784–1857), Moravian bishop and composer (United States, Russia) Anna Hedvig Büll (1887–1981), Christian missionary Reinhold von Buxhoeveden (died 1557), Bishop of Ösel-Wiek Hermann of Dorpat (1163–1248), first Bishop of Dorpat Oscar von Gebhardt (1844–1906), Lutheran theologian Barbara von Krüdener (1764–1824), mystic Hermann Wesel (died 1563), ecclesiastic and the last Bishop of Dorpat Adolf von Harnack (1851–1930), Lutheran theologian and church historian (Germany) Alexander Schmemann (1921–1983), Orthodox Christian priest, teacher, and writer Scientists Astronomers and cosmologists Wilhelm Anderson (1880–1940), astrophysicist Magnus Georg Paucker (1787–1855), astronomer and mathematician Otto Schmidt (1891–1956),