Augustus I and cousin of William | Frederica of Württemberg 6 June 1781two children | 21 May 1829Oldenburgaged 74 |- | Augustus I1829–27 February 1853 | | 13 July 1783Rastedeson of Peter I and Friederike | Adelheid of Anhalt-Bernburg-Schaumburg-Hoym24 July 1817two children Ida of Anhalt-Bernburg-Schaumburg-Hoym24 June 1825one childCecilia of Sweden 5 May 1831three children | 27 February 1853Oldenburgaged 69 |- | Peter II1853–13 June 1900 | | 8 July 1827Oldenburgson of Augustus I and Ida | Elisabeth of Saxe-Altenburg 10 February 1852two children | 13 June 1900Rastedeaged 72 |- | Frederick Augustus II 1900–11 November 1918 | | 16 November 1852Oldenburgson of Peter II and Elisabeth | Elisabeth Anna of Prussia 18 February 1878two children Elisabeth of Mecklenburg-Schwerin 24 October 1896 5 children | 24 February 1931Rastedeaged 78 |} Full style Grand Duke of Oldenburg, Heir in Norway, Duke of Schleswig, Holstein, Stormarn, Ditmarshes & Oldenburg, Prince of Lübeck and Birkenfeld, Lord of Jever and Kniphausen Heads of the Grand Ducal Family of Oldenburg since 1918 (not ruling) Frederick Augustus II, former Grand Duke, Head of House 1900-1931 (1852-1931) Nikolaus, Duke 1931-1970 (1897-1970) Anton Günther, Duke 1970-2014 (1923-2014) Christian, Duke 2014–present (born 1955) Duke Alexander, heir apparent (born 1990) Duke Philipp (born 1991) Duke Anton Friedrich (born 1993) Duke Peter (1926-2016) Duke Friedrich August (born 1952) Duke Nikolaus (born 1955) Duke Christoph (born 1985) Duke Georg (born 1990) Duke Oscar (born 1991) Duke Georg Moritz (born 1957) Duke Friedrich August (1936–2017) Duke Paul-Wladimir (born 1969) Duke Kirill (born 2002) Duke Carlos (born 2004) Duke Paul (born 2005) Duke Huno (born 1940) Duke Johann (born 1940) Duke Konstantin Nikolaus (born 1975) Prime ministers of the Republic of Oldenburg 1918–1919 Bernhard Kuhnt (USPD) 1919–1923 Theodor Tantzen (DDP) 1923–1930 Eugen von Finckh (no party) 1930–1932 Friedrich Cassebohm 1932–1933 Carl Röver (NSDAP) 1933–1945 Georg Joel (NSDAP) 1945–1946 Theodor Tantzen (FDP) ''To Lower Saxony in 1946 See also List of consorts of Oldenburg References External links The House of Oldenburg Oldenburg Oldenburg Oldenburg (state) Lists of German nobility