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Family name สว่างเพียร (สว่างเพียร, Sawangphian , Sawangpian ) , all over the world, is an extremely rare last name. The cognomen สว่างเพียร is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
VARIANT | COUNTRY |
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Sawangphian, Sawangpian | Thailand |