Catherine I of Russia wife. It is clear that Menshikov and Marta formed a lifetime alliance. It is possible that Menshikov, who was quite jealous of Peter's attentions and knew his tastes, wanted to procure a mistress on whom he could rely. In any case, in 1703, while visiting Menshikov at his home, Peter met Marta. In 1704, she was well established in the Tsar's household as his mistress, and gave birth to a son, Peter. In 1705, she converted to Orthodoxy and took the new name of Catherine Alexeyevna ("Yekaterina Alexeyevna"). She and Darya Menshikova accompanied Peter and Menshikov on their military excursions.
Catherine Alekseyevna of Russia Catherine Alekseyevna of Russia Tsarevna Catherine Alekseyevna (; 27 November 1658 - 1 May 1718) was the fifth daughter of Tsar Alexis of Russia and Maria Miloslavskaya, sister of Tsar Feodor III of Russia and Tsar Ivan V of Russia and half-sister of Tsar Peter the Great. Catherine was named after Saint Catherine of Alexandria. In accordance with the Muscovite custom for imperial princesses, she lived in seclusion and never married. During the Moscow uprising of 1682, however, Ivan Andreyevich Khovansky (Tararui) is alleged to have planned to marry Catherine to his son Andrey Ivanovich Khovanskii in order to place