Summer Palace of Peter the Great jail where Peter personally prosecuted, locked up, and released prisoners; and Peter’s favorite room, his workshop. The construction of the Summer Palace was completed in 1714. When the Summer Palace was completed in 1714, it became the residence of Peter the Great and his second wife Catherine I of Russia and many of their 12 children—with Peter occupying the first floor and Catherine, along with the children, occupying the second one, until Peter’s death in 1725. After Peter the Great’s death, the Summer Palace was occupied for several years by members of the Imperial family and their courtiers. During part
Peter III of Russia Charles Frederick, Duke of Holstein-Gottorp (a nephew of Charles XII of Sweden), and Anna Petrovna (a daughter of Emperor Peter I and Empress Catherine I of Russia). His mother died shortly after his birth. In 1739, Peter's father died, and he became Duke of Holstein-Gottorp as Charles Peter Ulrich () at the age of 11. When Elizabeth, his mother's younger sister, became Empress of Russia, she brought Peter from Germany to Russia and proclaimed him her heir presumptive in the autumn of 1742. Previously in 1742, the 14-year-old Peter was proclaimed King of Finland during the Russo-Swedish War (1741–1743), when