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Cognomen Waruj (Waruj ) , in the world, is an extremely rare last name. Much more prevalently, Waruj is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Waruj | Thailand |
Chanrob, Namtaothong, Boonlerd, Srikumpol, Nasongkhla, and Na Songkhla