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Cognomen Siengkew (Siengkew ) , all around the world, is a rare family name. The family name Siengkew is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Siengkew | Thailand |
Wacha, Chadarat, Kitthana, Chawakorn, Krissakorn, and Chatchawal