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Family name ฤทธิ์ยงค์ (ฤทธิ์ยงค์ ) , throughout the world, is a very rare last name. The surname ฤทธิ์ยงค์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
VARIANT | COUNTRY |
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ฤทธิ์ยงค์ | Thailand |