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.
Olga Nikolaevna of Russia aunt, Grand Duchess Catherine of Russia; Olga's paternal uncle, Grand Duke Michael of Russia, married William I's niece, Princess Charlotte of Württemberg. Olga gave her consent to Charles' proposal of marriage after only a few meetings, on 18 January. The wedding was held in great splendor on 13 July 1846 at the Peterhof Palace, Russia. The couple came back from Russia to Württemberg on 23 September. They lived mostly in the Villa Berg in Stuttgart and in the Kloster Hofen in Friedrichshafen. The couple had no children, probably because of Charles’ homosexuality. Olga's husband became the object of scandal several