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Family name Sungvarn (Sungvarn
) , around the globe, is an extremely rare cognomen. Predominantly, Sungvarn is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sungvarn | United States, Thailand |
Twigg, Sasombat, Khammasarn, Pongsaard, and Thongpaen