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Cognomen Chaemsuwan (Chaemsuwan ) , worldwide, is a very rare family name. The cognomen Chaemsuwan is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Chaemsuwan | Thailand |
Pisit, Sasipha, Nantida, Charatsri, and Chalermchai