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Cognomen Klamtong (Klamtong ) , globally, is a very rare surname. The cognomen Klamtong is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
กลำทอง, กลำ่ทอง, กล่ำทอง, and กล้ำทอง
Somkiat, and Pongsakorn