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Cognomen Lertwitthayawiwat (Lertwitthayawiwat ) , across the world, is a very rare family name. The surname Lertwitthayawiwat is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Lertwitthayawiwat | Thailand |
Pornsri, Kunchada, Sanhathai, Phornsant, and Natthaphoom