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.
Anna of Russia husband, but her enemies said she conducted a love affair with Ernst Johann von Biron, a prominent courtier, for many years. In 1730, Tsar Peter II (grandson of Anna's uncle Peter the Great) died childless at a young age. His death rendered extinct the male line of the Romanov dynasty, which had ruled Russia for over a century, since 1613. There were five possible candidates for the throne: the three surviving daughters of Ivan V, namely Catherine (b.1691), Anna herself (b.1693) and Praskovya (b.1694), and the two surviving daughters of Peter the Great, namely Anna (b.1708) and Elizabeth (b.1709). Ivan