Peter Petrovich was a Russian Tsarevich and son of Emperor Peter I and Empress Catherine. Tsarevich Peter became heir to the Russian throne in February 1718 after the Emperor removed his eldest son, Alexis Petrovich, from the succession. The Tsarevich died in 1719 aged 3 before inheriting the throne. His parents were Tsar Peter I and the future Catherine I. In 1732, a pretender emerged claiming to be the dead Tsarevich.