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Last name วงศ์รัตน์กตัญญู (วงศ์รัตน์กตัญญู , Wongratkatanyoo ) , in all the world, is a very rare family name. The surname วงศ์รัตน์กตัญญู is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
VARIANT | COUNTRY |
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Wongratkatanyoo, วงศ์รัตน์กตัญญู | Thailand |