|Kana||シヨン / 시연|
|Nickname||Siyeon (シヨン / 시연)|
|Birthdate||March 11, 1983|
|Current Age||40 Years Old|
|Social Networks||Instagram / Twitter|
|Idol Career Info|
|Debuted||May 2011 / 3rd Generation|
Siyeon was a member of SDN48's 3rd Generation.
- Her real name is Jung Si Yeon (정시연).
- She was the first Korean member in All-48Groups.
- She got married on May 29, 2019.
- On January 29, 2021, she gave birth to a son.
- SDN48 3rd Generation → Graduation
- Joined SDN48 as a 3rd Generation member on May 27, 2011
- Graduated on March 31, 2012
- Abazure (MIN・MIN・MIN)
- Yaritagariya-san (Kudokinagara Azabu Juuban duet with Mino Monta)
- Ue Kara Natsuko (Makeoshimi Congratulation)
- Owaranai Encore (Makeoshimi Congratulation)