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Cognomen Yadaphat (Yadaphat ) , around the globe, is an extremely rare family name. Much more frequently, Yadaphat is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yadaphat | Thailand |
Kapao, Ratsinlapin, Lertarnontrakul, Siengchuen, Seechaengraj, Kanthiro, Siangchuen, Khunwongsa, and Phimtharittichot