[{WikipediaArticle oldid='256640539'}]

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!!!License Information of Images on page
||Image Description||Credit||Artist||License Name||File
| RCIN 2929497| Royal Collection Trust| Autor/-in unbekannt Unknown author| [{Image src='https://www.austria-forum.org/cc/images/slim/publicdomain.png' alt='Public domain' align='center' link='https://www.austria-forum.org/cc/public-domain-10.html' target='_blank'}]| Datei:Alexandra Petrovna of Oldenburg. Grand Duchess of Russia.jpg
| Catherine Petrovna of Oldenburg| скан| Фотография| [{Image src='https://www.austria-forum.org/cc/images/slim/publicdomain.png' alt='Public domain' align='center' link='https://www.austria-forum.org/cc/public-domain-10.html' target='_blank'}]| Datei:Catherine of Oldenburg1.jpg
| The Wikimedia Commons logo, SVG version.| Original created by Reidab ( PNG version ) SVG version was created by Grunt and cleaned up by 3247 . Re-creation with SVG geometry features by Pumbaa , using a proper partial circle and SVG geometry features. (Former versions used to be slightly warped.)| Reidab , Grunt , 3247 , Pumbaa| [{Image src='https://www.austria-forum.org/cc/images/slim/by-sa.png' alt='CC BY-SA 3.0' align='center' link='https://www.austria-forum.org/cc/by-sa-30.html' target='_blank'}]| Datei:Commons-logo.svg
| Eugenia of Leuchtenberg and her husband Duke Alexander Petrovich of Oldenburg| royalty digest quarterly| unkwon| [{Image src='https://www.austria-forum.org/cc/images/slim/publicdomain.png' alt='Public domain' align='center' link='https://www.austria-forum.org/cc/public-domain-10.html' target='_blank'}]| Datei:Eugenia of Leuchtenberg and her husband.jpg
| Therese von Nassau-Weilburg, Frau von de:Peter von Oldenburg (1812-1881)| //charity.lfond.spb.ru/oldenburgsky/, http://www.royaltyguide.nl/images-families/nassau/nassauweilburg4/1815%20Therese.jpg| Autor/-in unbekannt Unknown author| [{Image src='https://www.austria-forum.org/cc/images/slim/publicdomain.png' alt='Public domain' align='center' link='https://www.austria-forum.org/cc/public-domain-10.html' target='_blank'}]| Datei:NassauTeresia.jpg
| Constantin-Fridrich-Peter Oldenburg(1850-1906)| http://www.royaltyguide.nl/families/oldenburg/oldenburgdukes1.htm| Autor/-in unbekannt Unknown author| [{Image src='https://www.austria-forum.org/cc/images/slim/publicdomain.png' alt='Public domain' align='center' link='https://www.austria-forum.org/cc/public-domain-10.html' target='_blank'}]| Datei:OldenburgConstantin.jpg
| Nikolaus von Oldenburg (1840–1880) und seine Frau Maria Bulatzelly, "Gräfin von Osternburg" (Heirat 1863)| www.royaltyguide.nl/families/oldenburg/oldenburgdukes1.htm| Autor/-in unbekannt Unknown author| [{Image src='https://www.austria-forum.org/cc/images/slim/publicdomain.png' alt='Public domain' align='center' link='https://www.austria-forum.org/cc/public-domain-10.html' target='_blank'}]| Datei:OldenburgNicolai.jpg
| Therese Leichtenberg,nee Oldenburg (1852-1883)| http://www.royaltyguide.nl/oldenburg/oldenburgdukes1.htm| Autor/-in unbekannt Unknown author| [{Image src='https://www.austria-forum.org/cc/images/slim/publicdomain.png' alt='Public domain' align='center' link='https://www.austria-forum.org/cc/public-domain-10.html' target='_blank'}]| Datei:OldenburgTherese.jpg
| Ольденбургский, Пётр Георгиевич| 1| Autor/-in unbekannt Unknown author| [{Image src='https://www.austria-forum.org/cc/images/slim/publicdomain.png' alt='Public domain' align='center' link='https://www.austria-forum.org/cc/public-domain-10.html' target='_blank'}]| Datei:PeterII-Oldenburg.jpg
| | http://www.monarhist.ru/mnenie/MnenieVMC.htm| Joseph Désiré Court| [{Image src='https://www.austria-forum.org/cc/images/slim/publicdomain.png' alt='Public domain' align='center' link='https://www.austria-forum.org/cc/public-domain-10.html' target='_blank'}]| Datei:Peter of Oldenburg 1812-1881.jpg
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