Kpop Kpop Boys

Jaewon (MARZ Member) Age, Bio, Wiki, Facts & More

Jaewon (재원) is a member of the South Korean pre-debut boy group named MARZ (마즈)The group comprises 4 members: JaewonS.TJekyun, and Gaon. The group was revealed in December 2023. They started promoting in Japan in February 2024 and have been promoting in Japan since. Their Debut date is not known. They are under NATURE SPACE.

His Stage name is Jaewon (재원). His birth name is Kim Jeong Hyun (김정현). He was born on 11 September 1994. His age is around 30 years old as of 2024. He is Korean By Nationality. His Zodiac sign is VirgoHis Chinese Zodiac sign is Dog/ Snake.

His position is yet to be announced in the group.

Check out and follow Jaewon’s Social Media accounts:

Instagram: @_onexone911_

Twitter: @OneSpecial0911

YouTube: 유원(YooONE)

Facebook: N/A

Early Life:

He was born in Seoul, South Korea.

Not much is known about his early life.

Physical Appearance:

He is young, smart, and handsome. He is popular among youths. His looks make him look younger than his actual age. He has black eyes and black hair.

His height is around 6’0” (183 cm) and his weight is around 70 kg (154 lbs). His Blood group is “AB”.

Family, Religion & Girlfriends:

Not much is known about his family and relationships.


  • He has 72.3K+ followers on Instagram.
  • He was revealed on 29 December 2023.
  • He was part of the group 8ton along with Jekyun.
  • He likes his hair black.
  • He is a Soloist also.
  • He debuted on 14 February 2019, with the single “Be Mine”.
  • He wanted to become an idol because he dreamed of being on stage and singing and dancing for people.
  • He was a member of the group Off the Cuff (2019-2021).
  • He owns a cat named Tami.
  • He expresses his music with its unique and rough, yet cool vocals and lyrics containing their own soft emotions.
  • He used the stage name YooOne (유원) for his solo and Off the Cuff activities.
  • He was under Hommes Studio and BTC Entertainment.
  • He likes to film Vlogs and explore good restaurants.
  • His favorite music genre is R&B/Soul.
  • He was also a member of an independent boy group Kingdom alongside Leo and BECZ member H that debuted in 2018. As of 2023, whether they are still active or not is unknown.
  • He likes to play soccer and go on long-distance runs.
  • He has a YouTube Channel where he posts videos.

Check out and follow MARZ’s official accounts:

Instagram: @marz___official

Twitter: @marz_official1

YouTube: Marz

Facebook: N/A

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