Father: Romanov Petr I Alekseevic
Mother: Lopuchina Evdokija Fedorovna
Child: Romanov Petr II Alekseevic
Note: Tsarevich Alexei Petrovich (Alexei Petrovich Romanov; February 18 [28], 1690, Preobrazhenskoye - June 26 [July 7] 1718, St. Petersburg) - heir to the Russian throne, the eldest son of Peter I and his first wife Evdokia Lopukhina.