Alexei Nikolaevich, Tsarevich of Russia
Alexei Nikolaevich (Russian: Алексе́й Никола́евич) (12 August 1904 [O.S. 30 July] – 17 July 1918) of the House of Romanov, was the last Tsesarevich and heir apparent to the throne of the Russian Empire. He was the youngest child and only son of Emperor Nicholas II and Empress Alexandra Feodorovna. He was born with haemophilia, which was treated by the faith healer Grigori Rasputin.
Alexei Nikolaevich, Tsarevich of Russia-1