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Cognomen Weluwanaruk (Weluwanaruk ) , in all the world, is a very rare surname. The cognomen Weluwanaruk is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Weluwanaruk | Thailand |
Chira, Kasem, Somchit, Keeyachon, Niparut, Ungkana, Kanoktorn, Saengthawee, and Patchareepon