한 Members of Double S 301 Double S 301 (더블에스301) is a South Korean Boy Group that debuted in 2016. They consist of 3 members: Heo Youngsaeng, Kim Hyung Jun and Kim Kyujong. Return to Artist Read All Members 20162017201820192020202120222023202420252026 Heo YoungsaengKim Hyung JunKim Kyujong Heo Youngsaeng (허영생) Full Name: Heo Young Saeng Date of Birth: 1986-11-03 (39 years) Zodiac sign: Scorpio Country: South Korea Active period: 2016-present Role: Vocal Kim Hyung Jun (김형준) Full Name: Kim Hyungjun Date of Birth: 1987-08-03 (39 years) Zodiac sign: Leo Country: South Korea Active period: 2016-present Role: Rapper,Maknae Kim Kyujong (김규종) Full Name: Kim Kyujong Date of Birth: 1987-02-24 (39 years) Zodiac sign: Pisces Country: South Korea Active period: 2016-present Role: Rapper Images No images yet Return to Artist