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Cognomen Leawtrakulsuk (Leawtrakulsuk ) , worldwide, is a very rare family name. The cognomen Leawtrakulsuk is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Leawtrakulsuk | Thailand |
Tanawat, Tanaboon, and Napassawan