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Surname Ongsavangchai (Ongsavangchai ) , in the world, is a very rare cognomen. The last name Ongsavangchai is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
VARIANT | COUNTRY |
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Ongsavangchai | Thailand |
Nawit, Chanya, Warintorn, and Veravatana