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Cognomen Suwapen (Suwapen ) , worldwide, is an extremely rare family name. Much more frequently, Suwapen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Suwapen | Thailand |
Kumjun, Sangsasi, Chantuma, Jirakiatdeekul, Loetwanitroth, and Bunyongkasena Na Ayu