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Cognomen Muenngern (Muenngern ) , throughout the world, is a very rare family name. The last name Muenngern is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Muenngern | Thailand |
Rutjanee, Siriphan, Sainumphung, Phasakorn, and Phassakorn