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Cognomen กตัญญูตานนท์ (กตัญญูตานนท์ ) , all over the world, is a very rare family name. The cognomen กตัญญูตานนท์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
VARIANT | COUNTRY |
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กตัญญูตานนท์ | Thailand |