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Family name Koottatheap (Koottatheap ) , all around the world, is a very rare cognomen. The surname Koottatheap is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Koottatheap | Thailand |
Nitiya, Nicharee, Voottipong, and Nichanant