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Last name Chobthamkij (Chobthamkij ) , throughout the world, is a very rare cognomen. The family name Chobthamkij is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Chobthamkij | Thailand |
Sasinun, Phrawsupak, Wipanissaraluk, Weradach, Kunyapak, and Wiphanissalaluk