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Cognomen Kerdwan (Kerdwan ) , globally, is a very rare family name. The cognomen Kerdwan is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
Urai, Ariya, Pornla, Somchok, Jiranee, Tamrong, Niyagon, Supaporn, Anongluck, Jiraporn, Noppadon, Supanthip, Prapaporn, Thitiporn, and Suchawadee