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Cognomen Kerdmai (Kerdmai ) , in the entire world, is a very rare surname. The last name Kerdmai is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kerdmai | Thailand |
Somchai, Chalatip, Nantikan, Thawanrat, and Patchareeporn