Alexander Petrovich Oldenburgsky
1844 - 1932 (Biarritz)
Duke of Oldenburg, a member of the State Council, General of the Infantry, Adjutant-General. Founder of a resort in Gagry, Georgia. Prokudin-Gorsky was apparently his guest during the photoexpedition in Gagry, as the Duke's automobile is on one of Prokudin-Gorsky’s photographs.