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Last name Gan-Ongon (Gan-Ongon ) , across the world, is a very rare cognomen. The family name Gan-Ongon 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 Gan, and a last name Ongon.
VARIANT | COUNTRY |
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Gan-Ongon | Philippines |