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Family name Shomchiang (Shomchiang ) , around the world, is a very rare cognomen. The surname Shomchiang is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Shomchiang | Thailand |
Apinya, Pitchaon, Pichchaorn, and Phitchaorn