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Family name Trusau (Трусов
, Trusau
, Трусаў) , in the world, is a common surname. The last name Trusau is habitual in Russia, where it is quite a common surname, Belarus, where it is quite a rare surname, and Kazakhstan. Not in comparison with a country's population, it is commonest in Eastern Europe, particularly Russia, Ukraine, and Belarus.
| VARIANT | COUNTRY |
|---|---|
| Трусов | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Trusau | Belarus, Georgia, France |
| Трусау | Russia |