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Cognomen ซื่อสัตยวงศ์ (ซื่อสัตยวงศ์, Suesattayawong ) , in all the world, is a very rare surname. The last name ซื่อสัตยวงศ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
VARIANT | COUNTRY |
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Suesattayawong | Thailand |