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Last name ตรงสวัสดิ์ (ตรงสวัสดิ์ , Trongsawad , Trongsawat ) , across the world, is a very rare cognomen. The last name ตรงสวัสดิ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
VARIANT | COUNTRY |
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Trongsawad, Trongsawat, ตรงสวัสดิ์ | Thailand |