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Cognomen Phenphet (เพ็ญเพ็ชร , Phenphet
) , in the entire world, is an extremely rare surname. The cognomen Phenphet is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More frequently, Phenphet is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| เพ็ญเพ็ชร, Phenphet | Thailand |
Opun, Sanunmuang, Yangkan, Thipsonthe, Siriwongkhan, Sunthararak, Chaisangkam, and Pathomchaiwan