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Cognomen Rujdanai (Rujdanai ) , around the world, is an extremely rare family name. Much more frequently, Rujdanai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rujdanai | Thailand |
Srisuk, Thongkon, Thongtip, Seeluangsawat, and Chinratanalap