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Family name แก้วไพโรจน์ (แก้วไพโรจน์, Keowpairoj , Keawpayot ) , in all the world, is a very rare last name. The cognomen แก้วไพโรจน์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
VARIANT | COUNTRY |
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Keowpairoj, Keawpayot | Thailand |
Kaeophayot, Kaewpayot, and Keawpairoj