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Last name Troubetskoï (Трубецкой , Troubetskoï ) , throughout the world, is quite a rare cognomen. The last name Troubetskoï is habitual in Belarus, where it is quite a rare surname, Russia, where it is a rare surname, and Kazakhstan.
VARIANT | COUNTRY |
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Трубецкой | Kazakhstan, Ukraine, Russia, Belarus |
Troubetskoï | France |
Troubetskoi, Trubeckoj, Trubetskoi, and Trubetskoy