한 J1 J1 (재원) was a South Korean Male Artist. He started in group 4Men. He retired in 2008. Read All General Information International Stage Name : J1 Domestic Stage Name : Pronounce 재원 Full Name : Song Jaewon Pronounce Full Domestic Name : Pronounce 송재원 Date of Birth : 1985-02-21 (age 41) Zodiac : Pisces Country of Birth : South Korea Related Artists : 4Men - Vocal Artist retired : 2008 Original group : 4Men (No longer a member) Images No images yet