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
Duke Peter Alexandrovich of Oldenburg Duke Peter Alexandrovich of Oldenburg Peter Alexandrovich of Oldenburg (Duke Peter Friedrich Georg von Oldenburg) (21 November 1868 – 11 March 1924) was the first husband of Grand Duchess Olga Alexandrovna of Russia, the youngest sister of Tsar Nicholas II. He was born in Saint Petersburg, the only child of Duke Alexander Petrovich of Oldenburg (1844–1932) and Eugénie Maximilianovna of Leuchtenberg (1845–1925). His mother was a granddaughter of Tsar Nicholas I of Russia through Nicholas's daughter, Grand Duchess Maria Nikolayevna, and his father was a great-grandson of Tsar Paul I of Russia through his paternal grandmother Grand Duchess Catherine Pavlovna.