Cognomen Трубецкой (Трубецкой 
, Trubeckoj 
, Troubetskoï 
, and others...) , all around the world, is quite a rare family name. The last name Трубецкой is characteristic of Belarus, where it is quite a rare surname, Estonia, and Russia, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in Russia, Belarus, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Трубецкой | Kazakhstan, Ukraine, Russia, Belarus |
| Trubeckoj | Germany |
| Troubetskoï | France |
| Trubetskoi | Russia, Estonia |
| Trubetskoy | United Kingdom, Italy, United States, Israel, Russia |
Troubetskoi, Troubetzkoy, Trubecki, and Trubeckoi
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трубецкой, дмитрий тимофеевич Russian prince, RU (b. 1550) |
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| алексей никитич трубецкой Russian noble, RU (b. 1600) |
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иван юрьевич трубецкой Russian field marshal, RU (b. 1667) |
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| юрий петрович трубецкой Russian prince, RU (b. 1643) |
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трубецкой, никита юрьевич Russian field marshal (1699-1767), RU (b. 1699) |
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дмитрий юрьевич трубецкой 1792 (b. 1724) |
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трубецкой, василий сергеевич Russian politician (1776-1841), RU (b. 1776) |
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трубецкой, сергей петрович Russian decemberist (1790-1860), RU (b. 1790) |
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| трубецкой, юрий никитич UA (b. 1736) |
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пётр иванович трубецкой (1798-1871), RU (b. 1798) |
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| трубецкой, николай никитич RU (b. 1744) |
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николай иванович трубецкой Russian opinion journalist (1807-1874), RU (b. 1807) |
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трубецкой, александр васильевич Russian prince and army officer, RU (b. 1813) |
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трубецкой, сергей васильевич (1815-1859), RU (b. 1815) |
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николай петрович трубецкой Russian privy counselor, RU (b. 1828) |
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Лев, Михаил, Андрей, Герман, Данила, Никола, Никита, Виктор, Леонид, Сергей, Феликс, Климент, Алексей, Георгий, Дмитрий, Николай, Никодим, Валерий, Василий, Виталий, Евгений, Анатолий, Максим, Кирилл, Федор, Роман, Юра, Макс, Марк, Миша, Глеб, Петр, Пётр, Влад, Олег, Илья, Геннадий, Иван, Костя, Антон, Артем, Артём, Борис, Павел, Денис, Ляпис, Игорь, Семен, Юрий, and Григорий