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Cognomen Phromwichai (Phromwichai ) , globally, is a rare last name. The cognomen Phromwichai is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Phromwichai | Thailand |
Chatree, Phaibun, Notechanok, Wimonrat, and Pheeraphon