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Cognomen Phavivong (Phavivong ) , throughout the world, is an extremely rare family name. The cognomen Phavivong is characteristic of Northern America, particularly the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Phavivong | United States |
Sinenakhone, Somboun, Kaysone, and Thavone