Surname Ubolsai (Ubolsai ) , worldwide, is a very rare family name. The cognomen Ubolsai is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
Nujjawan, Piyaphum, and Witthaya
) , worldwide, is a very rare family name. The cognomen Ubolsai is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.