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Cognomen แสงถาวร (แสงถาวร , Soengthaworn , Sangthaworn ) , in the world, is a rare family name. The cognomen แสงถาวร is characteristic of South-eastern Asia, particularly Laos, where it is quite a rare surname, and Thailand, where it is a very rare surname.
VARIANT | COUNTRY |
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Soengthaworn, แสงถาวร, Sangthaworn | Thailand |
Saengthavong | Laos |
Sangthavorn, Sangthawon, and Sengthawor