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Last name Kuptustien (Kuptustien ) , all over the world, is a very rare surname. The family name Kuptustien is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kuptustien | Thailand |
Natta, Prakob, Kasitraporn, Natthakan, and Nuchanart