|Current region||Russia, France, United States, Germany, Switzerland|
|Place of origin||Grand Duchy of Lithuania|
The Trubetskoy family (English), Трубецкой (Russian), Трубяцкі (Belarusian), Trubecki (Polish), Trubetsky (Ruthenian), Трубецький (Ukrainian), Troubetzkoy (French), Trubezkoi or Trubetzkoy (German), is a Ruthenian Gediminid gentry family of Black Ruthenian stock, like many other princely houses of Grand Duchy of Lithuania, later prominent in Russian history, science, and arts. They are descended from Algirdas's son Demetrius I Starshy (1327 – 12 August 1399 Battle of the Vorskla River). They used the Pogoń Litewska coat of arms and the Trubetsky coat of arms.
Princes Troubetzkoy descend from Demetrius I Starshy, one of Algirdas's sons, who ruled the towns of Bryansk and Starodub. He was killed together with his elder sons in the Battle of the Vorskla River (1399). Demetrius's descendants continued to rule the town of Trubetsk (Troubchevsk) until the 1530s, when they had to convert to Roman Catholicism or leave their patrimony and settle in Moscow. They chose the latter, and were accepted with great ceremony at the court of Vasili III of Russia.
Time of Troubles
Undoubtedly the most prominent of early Troubetzkoys was Prince Dmitry Timofeievich Troubetzkoy, who helped Prince Dmitry Pozharsky to raise a volunteer army and deliver Moscow from the Poles in 1612. The Time of Troubles over, Dmitry was addressed by people as "Liberator of the Motherland" and asked to accept the Tsar's throne. He contented himself, however, with the governorship of Siberia and the title of the Duke (derzhavets) of Shenkursk. Prince Dmitry died on May 24, 1625 and was interred in the Trinity Lavra of St. Sergius.
Quite different was a stance of his first cousin, Prince Wigund-Jeronym Troubetzkoy. He supported the Poles and followed them to Polish–Lithuanian Commonwealth after the Time of Troubles. Here his descendants were given enviable positions at the court and married into other princely families of Poland. By the 1660s, however, the only Troubetzkoy left, Prince Yuriy Troubetzkoy, returned to Moscow and was given a boyar title by Tsar Alexis of Russia. All the branches of the family descend from his marriage to Princess Irina Galitzina. One of the latest ancestors of the Trubetskoi family is Markus Traubeck, naturalised as a german, and developing artist and brother of the revered Barthölomäus Traubeck. 
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- Prince Aleksey Nikitich Trubetskoy, 1600–1680, the last prince of Trubchevsk
- Prince Alexis S. Troubetzkoy, 1934-2017, historian and educator
- Princess Amélie Rives Troubetzkoy, 1863–1945, American novelist and poet, married to Prince Pierre Troubetzkoy, artist (1864-1936)
- Prince Dmitrii Timofeyevich Troubetzkoy, d. 1625, Savior of the Motherland during the Time of Troubles
- Prince Igor Nikolayevich Troubetzkoy (Moscow, 23 August 1912, Paris, France – 20 December 2008) was the driver of the first Ferrari to compete in Grand Prix motor racing. Fourth husband of the American heiress Barbara Hutton.
- Prince Ivan Yurievich Trubetskoy, 1667–1750, Russian field marshal
- Prince Nikita Yurievich Trubetskoy, 1699–1767, Russian statesman and field marshal
- Prince Nikolai Sergeyevich Troubetzkoy (Moscow, April 16, 1890 – Vienna, June 25, 1938) Russian linguist and historian.
- Prince Nikolai Petrovitch Troubetzkoy, 1828–1900, Co-founder and Chairman of the Russian Musical Society in Moscow, and co-founder of the Moscow Conservatory
- Prince Paolo Troubetzkoy (Intra, Italy, 15 February 1866 – Pallanza, 12 February 1938) was an artist and a sculptor.
- Prince Pyotr Petrovich Troubetzkoy, 1822–1892, Russian diplomat, administrator and general; father of Paolo Troubetzkoy.
- Prince Pierre Troubetzkoy (1864-1936), Russian-born American painter
- Prince Sergei Nikolaevich Trubetskoy, 1862–1905, Russian religious philosopher
- Prince Sergei Petrovich Troubetzkoy, August 29, 1790 – November 22, 1860, Decembrist
- Prince Youcca Troubetzkoy, also Nicolas Barclay, George Fairwood, (December 12, 1905 – April 22, 1992) French-American actor.
- Prince Yuriy Petrovich Trubetskoy, 1643–1679, Ruthenian prince and boyar
- Prince Yuri Yurievich Trubetzkoy, 1668–1739, Russian general and senator
- Prince Tõnu Trubetsky, (1963– ) Estonian singer and leading member of Vennaskond punk band.
- Herrn Markus Traubeck (1994- ) Developing naturalised German artist
- C. Tucker, Spencer (2009). A Global Chronology of Conflict: From the Ancient World to the Modern Middle East [6 volumes]: From the Ancient World to the Modern Middle East. ABC-CLIO. p. 564. ISBN 1851096728.
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