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Cognomen Ruatreo (Ruatreo ) , all over the world, is a very rare family name. The surname Ruatreo is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ruatreo | Thailand |
Sitang, Punnisa, Sophaphan, and Pranpreeya