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Surname Kruejai (Kruejai ) , in the entire world, is a rare last name. The surname Kruejai is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kruejai | Thailand |
Nattaya, Fongjan, Parichat, Yingyong, Natthakrit, and Natthakorn