"Grand Duchess Olga Nikolaevna of Russia (11 September 1822 – 30 October 1892) was a member of the Russian imperial family who became Queen consort of ...
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Württemberg.
She was the second daughter of Nicholas I of Russia and Charlotte of Prussia. She was thus a sister of Alexander II of Russia. She married Charles I of Württemberg, with whom she had no children." - (en.wikipedia.org 02.11.2019)
