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Cognomen Yotyiam (Yotyiam ) , in all the world, is a very rare family name. The family name Yotyiam is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Yotyiam | Thailand |
Nobhbhawat, Anawin, Natnittha, Banyawat, Thitarin, Nopbhawat, Prathueang, and Phonthakon