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Surname Umandak (Umandak ) , all around the world, is a very rare cognomen. The last name Umandak is habitual in South-eastern Asia, particularly Philippines, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Umandak | Philippines |
Junril, Rodelio, Lorelie, Abduljan, and Hermogenes