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
Grand Duchess Catherine Mikhailovna of Russia Grand Duke of Mecklenburg-Strelitz (1779–1860) and Princess Marie of Hesse-Kassel (1796–1880). They had four children: She died in St. Petersburg, aged 66. Grand Duchess Catherine Mikhailovna of Russia Grand Duchess Catherine Mikhailovna of Russia (Ekaterina Mikhailovna Romanova), () (28 August 1827 – 12 May 1894), was the third of five daughters of Grand Duke Michael Pavlovich of Russia, youngest son of Tsar Paul I, and Princess Charlotte of Württemberg. She was born in St. Petersburg. She had two elder sisters, Grand Duchess Maria and Grand Duchess Yelizaveta, called "Lili". Two more sisters were born after her, Alexandra and Anna, who