Anna of Russia their mother Catherine I, who had previously been a maid in his household. On the other hand, Praskovia Saltykova, the wife of Ivan V, had been a nobleman's daughter and a devoted wife and mother; moreover, she had been a lady greatly respected for her many virtues, not least her chastity. Finally, the Russian Supreme Privy Council led by Prince Dmitri Golitzyn selected Anna, the second daughter of Ivan V, to be the new Empress of Russia. She was selected in preference to her elder sister Catherine even though Catherine was at that time resident in Russia whereas Anna was
Tsarevna Catherine Ivanovna of Russia V's daughters, she seems to have been the most capable. In 1708 the family moved to the new capital, Saint Petersburg. According to contemporaries, Catherine was a short, dark-haired, and pale beauty and was a popular socialite with her charm and sociability. At the request of her uncle Peter I, she was married on 19 April 1716 in Danzig to Karl Leopold, Duke of Mecklenburg-Schwerin. He had initially proposed to Catherine's sister Anna (then Dowager Duchess of Courland) but Peter I instead chose Catherine to be his bride. The marriage created a political alliance between Russia and Mecklenburg against Sweden,