,_comte_d%27Oldenbourg.svg)
,_comte_d%27Oldenbourg_et_de_Delmenhorst.svg)
.svg)
This is a list of the counts, dukes, grand dukes, and prime ministers of Oldenburg.
| Name | Portrait | Birth | Marriage(s) | Death |
|---|---|---|---|---|
| Frederick Augustus I 1774–6 July 1785 |
|
20 September 1711 Gottorp, Schleswig son of Christian August of Holstein-Gottorp and Albertina Frederica |
Ulrike Friederike Wilhelmine of Hesse-Kassel Kassel 21 November 1752 three children |
6 July 1785 Oldenburg aged 73 |
| William I 1785–1810 |
|
3 January 1754 Eutin son of Frederick August I and Ulrike |
Never married | 2 July 1823 Schloss Plön aged 69 |
| Name | Portrait | Birth | Marriage(s) | Death |
|---|---|---|---|---|
| William I 1813–1815 |
|
3 January 1754 Eutin son of Frederick Augustus I and Ulrike |
Never married | 2 July 1823 Schloss Plön aged 69 |
| Name | Portrait | Birth | Marriage(s) | Death |
|---|---|---|---|---|
| William I 1815–2 July 1823 |
|
3 January 1754 Eutin son of Frederick Augustus I and Ulrike |
Never married | 2 July 1823 Schloss Plön aged 69 |
| Peter I 1823–21 May 1829 |
|
17 January 1755 Rastede nephew of Frederick Augustus I and cousin of William |
Frederica of Württemberg 6 June 1781 two children |
21 May 1829 Oldenburg aged 74 |
| Augustus I 1829–27 February 1853 |
|
13 July 1783 Rastede son of Peter I and Friederike |
Adelheid of Anhalt-Bernburg-Schaumburg-Hoym 24 July 1817 two children Ida of Anhalt-Bernburg-Schaumburg-Hoym 24 June 1825 one child Cecilia of Sweden 5 May 1831 three children |
27 February 1853 Oldenburg aged 69 |
| Peter II 1853–13 June 1900 |
|
8 July 1827 Oldenburg son of Augustus I and Ida |
Elisabeth of Saxe-Altenburg 10 February 1852 two children |
13 June 1900 Rastede aged 72 |
| Frederick Augustus II[2] 1900–11 November 1918 |
|
16 November 1852 Oldenburg son of Peter II and Elisabeth |
Elisabeth Anna of Prussia 18 February 1878 two children Elisabeth of Mecklenburg-Schwerin 24 October 1896 5 children |
24 February 1931 Rastede aged 78 |
