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Cognomen รัตนโกสุม (รัตนโกสุม , Ratanakosum , Rattanagosum ) , in the world, is a rare last name. The family name รัตนโกสุม is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
VARIANT | COUNTRY |
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Rattanagosum, รัตนโกสุม, Ratanakosoom, Ratanakosum | Thailand |