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Last name Prombai (Prombai ) , in the world, is a rare cognomen. The cognomen Prombai is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
Uten, Varaporn, Narisara, Phimporn, Pimlapat, Patarida, Channapa, Anuphong, Yoottapichai, Mayureeporn, Konnipha, Apichat, Sutatta, Sunita, Wasit, Metee, Matee, Pannipa, and Boontawipa