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Cognomen Kanjanachattaksin (Kanjanachattaksin ) , in all the world, is a very rare last name. The surname Kanjanachattaksin is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kanjanachattaksin | Thailand |
Ingorn, Thammachat, and Thammachet