The All-Russian Extraordinary Commission ordered the execution of the Russian Tsarevich Alexei Nikolaevich and his family .
He was executed alongside his parents , four sisters , and three retainers during the Russian Civil War by order of the Bolshevik government , though rumors that he had survived persisted until the 2007 discovery of his and one of his sisters ' remains .
Alexei Nikolaevich, Tsarevich of Russia