Peter III of Russia Peter III of Russia Peter III ( – ) (, "Pyotr III Fyodorovich") was Emperor of Russia for six months in 1762. He was born in Kiel as Karl Peter Ulrich von Schleswig-Holstein-Gottorp, the only child of Charles Frederick, Duke of Holstein-Gottorp (the son of Hedvig Sophia of Sweden, sister of Charles XII), and Anna Petrovna (the elder surviving daughter of Peter the Great). The German Peter could hardly speak Russian and pursued a strongly pro-Prussian policy, which made him an unpopular leader. He was deposed and possibly assassinated as a result of a conspiracy led by his German wife,
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