Catherine I of Russia Catherine I of Russia Catherine I (, born , later known as Marta Samuilovna Skavronskaya; – ) was the second wife of Peter the Great and Empress of Russia from 1725 until her death. The life of Catherine I was said by Voltaire to be nearly as extraordinary as that of Peter the Great himself. There are no documents that confirm her origins. Said to have been born on 15 April 1684 (o.s. 5 April), she was originally named Marta Helena Skowrońska. Marta was the daughter of Samuel Skowroński (later spelt "Samuil Skavronsky"), a Roman Catholic peasant from the Polish–Lithuanian
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