Cognomen Jeong-Il (정일 
, Jeong-Il 
) , all over the world, is an extremely rare last name. Much more frequently, Jeong-Il is the forename as well as the last name. Parts of the name also exists independently as a first name Jeong, and a last name Il.
| michael pak jeong-il South Korean priest, KR (b. 1926) |
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