Nikolai Avgustovich Monkevits was born on November 22, 1869 in Torzhok in the family of a state councilor of the Lutheran faith with noble roots. In 1887, Monekwitz graduated from the Second Cadet Corps in St. Petersburg. Two years later he was released from the Pavlovsk Military School. In the same year, Monkevits was assigned to His Majesty's 145th Novocherkassk Infantry Regiment in St. Petersburg on Malaya Okhta . Until 1895, he studied at the Nikolaev Academy of the General Staff. In 1897, Monkiewicz became assistant adjutant of the headquarters of the Warsaw Military District. From October 1899 to November 1900 he was appointed a company commander in the Life Guards Lithuanian Regiment. From 1901 to 1904 he was a staff officer for special assignments, as well as a senior adjutant of the headquarters of the Warsaw Military District. Monkevits was a battalion commander in the Lithuanian regiment before the start of the Russo-Japanese War. Participated in hostilities: he was the chief of staff of the 1st district of the Separate Border Guard Corps (OKPS) and the ruler of the office of the Office of the Chief of Military Communications of the 3rd Manchurian Army. In 1905 he was promoted to colonel. Returning to St. Petersburg, in 1906 he began work in the Main Directorate of the General Staff. Since 1910, he was in the position of assistant to the 1st Chief Quartermaster of the Main Directorate of the General Staff. In 1911, Monkevitz was promoted to the rank of Major General. With the outbreak of the First World War, he was in the position of Chief Quartermaster of the Main Directorate of the General Staff. On November 20, 1914, General Monkevitz was at the front as chief of staff of the XXX Army Corps . In 1916 he was the commander of the 71st Infantry Division , as well as the chief of staff of the XLVII Army Corps.¹
In Finland, the Civil War began in 1918, which called into question the safety of the grand ducal family. Two years later, Victoria and Cyril were able to leave Finland and move to relatives in Germany. Since 1921 they began to live in Cannes. Grand Duchess Victoria helped the Munich Legitimist monarchists organize the “Supreme Legitimist Council”. Victoria Fedorovna and her august husband maintained ties with the Young Russians and their leader Alexander Kazem -Bek. In fact, she pushed Kazem -Bek to create an organization.
General Monkevitz supported the February Revolution, in May 1917 he was appointed chief of staff of the 4th Army. After the October coup, in December of the same year he was relieved of his post. In 1918, Monkevitz left Russia with his family and moved to Paris. A year later, the general was in the position of head of the Russian mission in Berlin from the VSYUR.²
He helped General Anton Denikin in Paris, with whom he had been friends since the Russo-Japanese War. In exile, he joined the Russian All-Military Union (ROVS). Monkevitz maintained contacts with the "Monarchist Union of Central Russia ", which was associated with the organization "Trust", deliberately created by the organs of the OGPU of the USSR. Since 1925, General Monekwitz has been subordinate to General Kutepov. A year later, Nikolai Avgustovich was dismissed from the ROVS. In November, he left a suicide note for his family in a Paris apartment and disappeared. Many emigrants suspected Monkevitz of having links with the OGPU and fleeing to the USSR.³