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Cognomen Phuakinsaeng (Phuakinsaeng ) , throughout the world, is a very rare surname. The cognomen Phuakinsaeng is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Phuakinsaeng | Thailand |
Karin, Orasa, Phatthanan, Janthakarn, Phra Thawatchai, and Thanatchaporn