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Family name Rattanayan (หวาย , Rattanayan ) , in the world, is a very rare cognomen. The surname Rattanayan is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More prevalently, Rattanayan is the forename as well as the last name.
VARIANT | COUNTRY |
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หวาย, Rattanayan | Thailand |
Mana, Chantharat, and Kawinnathi