한 Sieun Sieun (시은) was a South Korean Female Artist. She started in group Checkmate. She retired in 2021. Read All General Information International Stage Name : Sieun Domestic Stage Name : Pronounce 시은 Full Name : Lee Sieun Pronounce Full Domestic Name : Pronounce 이시은 Date of Birth : 1993-09-19 (age 32) Zodiac : Virgo Country of Birth : South Korea Related Artists : Checkmate - Leader,Vocal Artist retired : 2021 Original group : Checkmate (No longer a member) Images