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Family name Harnborvonkij (Harnborvonkij ) , globally, is a very rare surname. The cognomen Harnborvonkij is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Harnborvonkij | Thailand |
Botan, Phanroong, and Kittithorn