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Family name Yossawaj (Yossawaj ) , throughout the world, is an extremely rare cognomen. Predominantly, Yossawaj is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yossawaj | Thailand |
Sriskupinyo, Sriskulpinyo, Pongswang, Sriruangcharoen, Kositsuriyamanee, and Sirirattanapreda