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Tsar Nicholas II (1868 - 1918) and Alexandra Feodorovna of Russia (1872 - 1918) with their children Olga, Tatiana, Maria, Anastasia and Alexei, circa 1914. (Photo by Popperfoto via Getty Images/Getty Images)

Tsar Nicholas II (1868 - 1918) and Alexandra Feodorovna of Russia (1872 - 1918) with their children Olga, Tatiana, Maria, Anastasia and Alexei, circa 1914. (Photo by Popperfoto via Getty Images/Getty Images)