Alexei Nikolaevich1904 - 1918 Born Fri, 12 August 1904 Peterhof Palace, Petergof Died Wed, 17 July 1918 Ipatiev House, Yekaterinburg Buried St Peter and Paul Cathedral, Saint Petersburg Details Parents Tsarevich of Russia Alexei Nikolaevich Romanov Lived 13 years, 11 months, 5 days father Nicholas II 1868 - 1918 mother Alix of Hesse 1872 - 1918 Siblings Sister Olga Nikolaevna of Russia 1895 - 1918 Sister Tatiana Nikolaevna of Russia 1897 - 1918 Sister Maria Nikolaevna of Russia 1899 - 1918 Sister Anastasia Nikolaevna of Russia 1901 - 1918