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Cognomen Karnjanadecha (Karnjanadecha ) , in all the world, is a very rare surname. The family name Karnjanadecha is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Karnjanadecha | Thailand |
Krist, Montri, Wanida, Krittayot, and Kantharika