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Cognomen รัตนาถาวร (รัตนาถาวร , Rattanthavorn , Ratthanathaworn) , all around the world, is a very rare family name. The last name รัตนาถาวร is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
VARIANT | COUNTRY |
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Rattanthavorn, รัตนาถาวร | Thailand |