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Cognomen Powphan (Powphan ) , in the entire world, is a very rare family name. The cognomen Powphan is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Powphan | Thailand |
Keerataya, Keeruttya, Rapeepat, Nuttanit, Pruttiporn, and Pruettipron