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In all the world, Khongdaeng (Khongdaeng ) is an extremely rare unknown gender forename. Much more frequently, Khongdaeng is the last name as well as the forename.
Assana, Jetsada, Supawanya, Kunyapuk, Kritsada, Tassanee, Chuthamat, Kunyaphat, and Phromphet