Question: Where was the father of Duke Alexander Petrovich Of Oldenburg born?
Sentence (from "Duke Alexander Petrovich of Oldenburg"): Duke Alexander Friedrich Konstantin Petrovich of Oldenburg (Alexander Petrovich Oldenburgsky; 2 June 1844 – 6 September 1932) was the second son of Duke Peter Georgievich of Oldenburg and his wife Princess Therese of Nassau-Weilburg.
Relevant evidence: Yes