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Cognomen Plengkum (Plengkum ) , throughout the world, is a very rare surname. The family name Plengkum is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Plengkum | Thailand |
Adul, Kanya, Amphai, Naporn, Akarapa, Chutthrawatra, Poramet, and Pattraporn