Title: Kni︠a︡zʹ imperatorskoĭ krovi Ioann Konstantinovich, 1886-1918
Subjects: Correspondence, Diaries, Sources, History, Nobility, Biography
Places: Russia
People: Ioann Konstantinovich Prince (1886-1918), House of Romanov
Time periods: 20th century, Nicholas II, 1894-1917