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Cognomen Nilpaksa (Nilpaksa ) , in all the world, is a very rare family name. The surname Nilpaksa is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Nilpaksa | Thailand |
Manid, Pongsak, Raynumad, Yaowalak, and Radchaneewan