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Cognomen Ngernsayam (Ngernsayam ) , across the world, is a very rare last name. The surname Ngernsayam is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
VARIANT | COUNTRY |
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Ngernsayam | Thailand |
Boonpa, Wantana, Teerasak, Suttichai, and Watchareeporn