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Family name Thiamsawet (Thiamsawet ) , in the world, is a very rare cognomen. The family name Thiamsawet is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Thiamsawet | Thailand |
Surin, Sommai, Anarat, Sommanat, and Watcharaphol