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Family name Billasoy (Billasoy ) , around the globe, is a very rare last name. The cognomen Billasoy is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
VARIANT | COUNTRY |
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Billasoy | Thailand |
Komsan, Sawalak, Sinicha, Narawut, Sawwalak, Juthamanee, Witchakorn, and Surassawadee