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Last name Onga-Ong (Onga-Ong ) , throughout the world, is a very rare cognomen. The family name Onga-Ong is characteristic of South-eastern Asia, particularly Philippines, where it is a very rare surname. Parts of the name also exists independently as a last name Onga, and a last name Ong.
VARIANT | COUNTRY |
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Onga-Ong | Philippines |