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Cognomen Kuyeong (Kuyeong ) , in the world, is an extremely rare family name. Much more prevalently, Kuyeong is the forename as well as the last name.
กุยเอ็ง, กุ่ยเอ็ง, กุ้ยเอ็ง, and กุ๊ยเอ็ง
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