People Duke Peter Alexandrovich of Oldenburg Russian duke (1868-1924)21 November 1868 – 11 March 1924 Duke Alexander Petrovich of Oldenburg21 May 1844 – 6 September 1932Princess Eugenia Maximilianovna of Leuchtenberg20 March 1845 – 4 May 1925 Duke Peter Alexandrovich of Oldenburg21 November 1868 – 11 March 1924Grand Duchess Olga Alexandrovna of Russia1 June 1882 – 24 November 1960 ParentsDuke Alexander Petrovich of Oldenburg21 May 1844 – 6 September 1932Princess Eugenia Maximilianovna of Leuchtenberg20 March 1845 – 4 May 1925Spouses and partnersGrand Duchess Olga Alexandrovna of Russia1 June 1882 – 24 November 1960 From Wikipedia and Wikidata (public domain), updated daily.
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