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Surname Roobkajorn (Roobkajorn
) , globally, is a rare cognomen. The family name Roobkajorn is habitual in Thailand, where it is a rare surname, and the United Kingdom, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Roobkajorn | United Kingdom, Thailand |
Manas, Montornkit, Chanawee, Chayapol, Kanyarat, Chayaphon, and Pimpornmas