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Family name Phaisanthammanusit (Phaisanthammanusit ) , all over the world, is an extremely rare surname. The surname Phaisanthammanusit is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More frequently, Phaisanthammanusit is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phaisanthammanusit | Thailand |
Phrakhru, and Phinyochit