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Surname Wongchak (วงศ์จักร , Wongchak , วงศ์เพิก ) , worldwide, is a rare cognomen. The family name Wongchak is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, Wongchak is the forename as well as the last name.
Yuphin, Rathana, Nittaya, Doungrit, Charuphat, Phimphisa, Warissara, Waritsara, Chantharath, and Phitchayapha