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Cognomen Phengnu (Phengnu ) , in the world, is a rare family name. The cognomen Phengnu is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Phengnu | Thailand |
Arri, Phayao, Sathian, Sompong, Chaison, Chayani, Bunrang, Jarasri, Baynalin, Bunruang, Khemmika, Thammanoon, Hathaichaok, and Hathaichanok