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Family name Bongsu (봉수 , Bungsu
, Bunso
) , all around the world, is a common cognomen. The cognomen Bongsu is characteristic of South-eastern Asia, particularly Brunei, where it is quite a common surname, Indonesia, where it is quite a rare surname, and Malaysia. In absolute terms, it most frequently occurs in Indonesia, Malaysia, and Saudi Arabia. Also, Bongsu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 봉수 | South Korea |
| Bungsu | Saudi Arabia, Malaysia, Indonesia, Philippines, Taiwan |
| Bunso | Saudi Arabia, Malaysia, United Arab Emirates, Japan, Philippines |
| Bongsu | South Korea, Malaysia, Brunei, Indonesia, Philippines |