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Family name Ruengkasem (Ruengkasem , เรืองเกษม ) , globally, is a rare cognomen. The family name Ruengkasem is characteristic of Thailand, where it is a rare surname, and Australia, where it is a very rare surname.
VARIANT | COUNTRY |
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Ruengkasem | Australia, Thailand |
เรืองเกษม | Thailand |