Duke Alexander of Oldenburg
…Ольденбу́ргский, Alexander Petrovich Oldenburgsky; 2 June [O.S. 21 May] 1844 – 6 September 1932) was the second son of Duke Peter of Oldenburg and 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…