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Cognomen Kerdkwamsuk (Kerdkwamsuk ) , worldwide, is a very rare surname. The cognomen Kerdkwamsuk is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kerdkwamsuk | Thailand |
Kittipong, Suchawadee, and Thanongsak