Peter I, Grand Duke of Oldenburg

You can help expand this article with text translated from the corresponding article in German. (March 2009) Click [show] for important translation instructions. View a machine-translated version of the German article. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing German Wikipedia article at [[:de:Peter I. (Oldenburg)]]; see its history for attribution. You may also add the template {{Translated|de|Peter I. (Oldenburg)}} to the talk page. For more guidance, see Wikipedia:Translation.

Peter I
Grand Duke of Oldenburg
Reign	2 July 1823 – 21 May 1829
Predecessor	William I
Successor	Augustus I
Born	(1755-01-17)17 January 1755 Riesenburg, Prussia (now Poland)
Died	21 May 1829(1829-05-21) (aged 74) Wiesbaden, Duchy of Nassau (now Germany)
Burial	Ducal Mausoleum, Gertrudenfriedhof, Oldenburg
Spouse	Duchess Frederica of Württemberg
Issue	Augustus I Duke George
Names German: Peter Friedrich Ludwig
House	House of Holstein-Gottorp
Father	Prince Georg Ludwig of Holstein-Gottorp
Mother	Princess Sophie Charlotte of Schleswig-Holstein-Sonderburg-Beck
Religion	Lutheranism

Peter I or Peter Frederick Louis of Holstein-Gottorp (German: Peter Friedrich Ludwig von Holstein-Gottorp) (17 January 1755 – 21 May 1829) was the Regent of the Duchy of Oldenburg for his incapacitated cousin William I from 1785 to 1823, and then served himself as Duke from 1823 to 1829.

He also served from 1785 to 1803 as the last Lutheran Prince-Bishop of Lübeck, until that Prince-Bishopric was secularized and joined to Oldenburg. His son, Augustus, was the first Duke of Oldenburg to use the style of Grand Duke that was granted in 1815.^[1]