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Family name Petwong (Petwong ) , all around the world, is a rare cognomen. The surname Petwong is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
เพชรวงศ์
Jira, Naruethep, Pannaporn, Noppamas, Tarittikorn, Rakchanok, Anongnat, Supattra, Wanlapa, Jutamas, Palinee, Kulthida, Sucheap, Suthiya, Supanee, Yosvadee, Thawin, Lersak, Kultida, Sonyiwa, Tarit, Sakqapon, Natthaporn, and Thumrongsuk