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Family name Ternjai (Ternjai ) , all over the world, is an extremely rare last name. Much more frequently, Ternjai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ternjai | Thailand |
Aongat, Sangsing, Boontong, Suttachai, Kulajanpeng, and Pongchinpak