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Last name ถาวรวรรณ (ถาวรวรรณ , Thawornwan , Thavonwan ) , in the entire world, is a very rare cognomen. The family name ถาวรวรรณ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, ถาวรวรรณ is the forename as well as the last name.
VARIANT | COUNTRY |
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Thawornwan, ถาวรวรรณ, Thavonwan | Thailand |
Taworwan, Thavornwan, and Thawongwan