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Last name โรจนโกศล (โรจนโกศล , Rojanakosol , Rojanakoson ) , worldwide, is a very rare cognomen. The cognomen โรจนโกศล is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
VARIANT | COUNTRY |
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โรจนโกศล, Rojanakosol, Rojanakoson | Thailand |