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Last name Rubngam (Rubngam ) , around the world, is a very rare surname. The last name Rubngam is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Rubngam | Thailand |
Suparp, Suphon, Prachuab, Dutruethai, Suttipong, Kreingkrai, Nattaporn, Kriengkrai, and Rutchadaporn