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Cognomen Phraisak (Phraisak ) , in the entire world, is an extremely rare family name. Much more frequently, Phraisak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phraisak | Thailand |
Saisuwan, Jilalatpithak, Jiraratpitak, Jiraratpithak, and Jiraratphithak