Par Claude Truong-Ngoc / Wikimedia Commons – cc-by-sa-3.0, CC BY-SA 3.0, Lien

https://fr.wikipedia.org/wiki/H%C3%A9l%C3%A8ne_Carr%C3%A8re_d%27Encausse

https://familypedia.fandom.com/wiki/Johann_August_zu_Wied_(1779-1836)

https://ru.wikipedia.org/wiki/%D0%9E%D1%80%D0%BB%D0%BE%D0%B2,%D0%92%D0%BB%D0%B0%D0%B4%D0%B8%D0%BC%D0%B8%D1%80%D0%93%D1%80%D0%B8%D0%B3%D0%BE%D1%80%D1%8C%D0%B5%D0%B2%D0%B8%D1%87_(%D0%B3%D1%80%D0%B0%D1%84)

https://de.wikipedia.org/wiki/Wladimir_Grigorjewitsch_Orlow

Par <a href= »//commons.wikimedia.org/wiki/Category:19th-century_portrait_paintings_of_men,_artist,_location_and_year_missing » title= »Category:19th-century portrait paintings of men, artist, location and year missing »>Peintre non identifié</a> — <a rel= »nofollow » class= »external text » href= »http://www.hermitagemuseum.org/wps/portal/hermitage/digital-collection/01.+paintings/126714″>hermitagemuseum.org</a&gt;, Domaine public, Lien

https://fr.wikipedia.org/wiki/Piotr_Alexe%C3%AFevitch_Pahlen