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Last name Kumwiang (Kumwiang
) , in all the world, is a very rare surname. The family name Kumwiang is habitual in Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kumwiang | United States, Thailand |
Yala, Sangiam, Jidapha, Amatchara, Kanthika, Angkanaluck, and Phitakpong