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Cognomen Yangchaem (Yangchaem , ยังแจ่ม) , in all the world, is an extremely rare family name. The last name Yangchaem is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Yangchaem | Thailand |
Phakorn, and Duangkamol