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Cognomen ถาวรสุวรรณ (ถาวรสุวรรณ , Tharvornsuwan , Thavonsuvan ) , across the world, is a rare family name. The cognomen ถาวรสุวรรณ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
VARIANT | COUNTRY |
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ถาวรสุวรรณ, Tharvornsuwan, Thavonsuvan, Thawonsuwan | Thailand |
Tavonsuwan, Thavonsuwan, Thavonsuwon, Thavornsuwan, Thawonsuwun, Thawornsuwan, Thawornsuwon, and Thawronsuwan