Grand Duchess Olga Nikolaevna of Russia was the eldest child of the last Tsar of the Russian Empire, and was just 23 when she was assassinated.

The final Tsar had five children – Olga, Tatiana, Maria, Anastasia, and Alexei – with German Princess Alexandra of Hesse-Darmstadt. He instigated a war in Japan in 1904 which saw Russia lose.