This is a list of the counts, dukes, grand dukes, and prime ministers of Oldenburg. Counts of Oldenburg 1088/1101–1108 Elimar I 1108–1143 Elimar II 1143–1168 Christian I the Quarrelsome 1168–1211 Maurice I 1209–1251 Otto I, joint rule with Christian II and later with John I 1211–1233 Christian II 1233–1272 John I 1272–1278 Christian III 1272–1301 Otto II, Count of Oldenburg-Delmenhorst 1278–1305 John II 1302–1323 Christian IV 1305–1345 John III 1331–1356 John IV 1345–1368 Conrad I 1368–1386 Conrad II 1386–1420 Maurice II 1368–1398 Christian V 1398–1423 Christian VI 1423–1440 Dietrich the Lucky 1440–1448 Christian VII 1448–1483 Gerhard VI "the Quarrelsome" 1483–1500 Adolph, Count of Oldenburg-Delmenhorst 1500–1526 John V 1526–1529 John VI, joint rule with his brothers George, Christopher and Anthony I, forced to resign in 1529 1526–1529 George, joint rule with his brothers John VI, Christopher and Anthony I, forced to resign in 1529 1526–1566 Christopher, joint rule with his brothers John VI, George and Anthony I 1526–1573 Anthony I, joint rule with his brothers John VI, George and Christopher 1573–1603 John VII 1573–1619 Anthony II, Count of Oldenburg-Delmenhorst 1603–1667 Anthony Günther 1667–1670 Frederick I, in personal union as Frederick III King of Denmark-Norway 1670–1699 Christian VIII, in personal union as Christian V King of Denmark-Norway 1699–1730 Frederick II, in personal union as Frederick IV King of Denmark-Norway 1730–1746 Christian IX, in personal union as Christian VI King of Denmark-Norway 1746–1766 Frederick III, in personal union as Frederick V King of Denmark-Norway 1766–1773 Christian X, in personal union as Christian VII King of Denmark-Norway, ceded the county to the Holstein-Gottorp line 1773 Paul I, ceded the county to his cousin of the Holstein-Gottorp line 1773–1774 Frederick Augustus I (elevated to Duke in 1774), in personal union Prince-Bishop of Lübeck Dukes of Oldenburg | Frederick Augustus I1774–6 July 1785 | | 20 September 1711Gottorp, Schleswigson of Christian August of Holstein-Gottorp and Albertina Frederica | Ulrike Friederike Wilhelmine of Hesse-KasselKassel21 November 1752 three children | 6 July 1785Oldenburgaged 73 |- | William, Duke of Oldenburg1785–1810 | | 3 January 1754Eutinson of Frederick August I and Ulrike | Never married | 2 July 1823Schloss Plönaged 69 |} To France in 1810–1813 | William, Duke of Oldenburg1813–2 July 1823 | | 3 January 1754Eutinson of Frederick Augustus I and Ulrike | Never married | 2 July 1823Schloss Plönaged 69 |- Grand Dukes of Oldenburg |Peter I1823–21 May 1829 | | 17 January 1755Rastedenephew of Frederick