Duke Alexander of Oldenburg

Duke Alexander Frederick Constantin of Oldenburg (German: Alexander Friedrich Konstantin; Russian: Алекса́ндр Петро́вич Ольденбу́ргский, Alexander Petrovich Oldenburgsky; 2 June [O.S. 21 May] 1844 – 6 September 1932) was the second son of Duke Peter of Oldenburg and his wife Princess Therese of Nassau-Weilburg. Though he had a German title and ancestry, Alexander and his siblings were born and raised in St. Petersburg as the grandchildren of Grand Duchess Catherine Pavlovna of Russia.

Duke Alexander of Oldenburg

Duke Alexander Frederick Constantin of Oldenburg (German: Alexander Friedrich Konstantin; Russian: Алекса́ндр Петро́вич Ольденбу́ргский, Alexander Petrovich Oldenburgsky; 2 June [O.S. 21 May] 1844 – 6 September 1932) was the second son of Duke Peter of Oldenburg and his wife Princess Therese of Nassau-Weilburg. Though he had a German title and ancestry, Alexander and his siblings were born and raised in St. Petersburg as the grandchildren of Grand Duchess Catherine Pavlovna of Russia.