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,
Catherine I of Russia waiting to Catherine, Matryona Balk. He served as secretary to Catherine. Peter had fought his entire life to clear up corruption in Russia. Catherine had a great deal of influence on who could gain access to her husband. Willem Mons and his sister Matrena had begun selling their influence to those who wanted access to Catherine and, through her, to Peter. Apparently this had been overlooked by Catherine, who was fond of both. Peter found out and had Willem Mons executed and his sister Matrena exiled. He and Catherine did not speak for several months. Rumors flew that she and