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Surname Dumhai (Dumhai ) , in all the world, is a rare cognomen. The last name Dumhai is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
Rejina, Nattha, Wannee, Reajina, Werayut, Yongyut, Teerapat, Weerayut, Pimprapai, and Charnnarong