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Family name ฤทธิถาวร (ฤทธิถาวร , Rtitithaworn, Rittitaworn ) , throughout the world, is a very rare surname. The family name ฤทธิถาวร is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
VARIANT | COUNTRY |
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ฤทธิถาวร, Rittitaworn | Thailand |