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Family name Hoysung (Hoysung ) , globally, is a very rare last name. The cognomen Hoysung is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
Adison, Jirapa, Wichan, Pimonwun, Natrucha, Worakit, Akarapon, Kanyarat, Jirateep, and Teerapon