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Cognomen Kaewsaengtong (Kaewsaengtong ) , around the world, is an extremely rare last name. The surname Kaewsaengtong is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kaewsaengtong | Thailand |
Supit, Rangsiya, and Natthawipha