Jung Yun-ho, better known by his stage name U-Know Yunho or simply U-Know, is a South Korean singer-songwriter, actor, and a member of the pop duo TVXQ. Wikipedia
Born: 1986 (age 38 years), Cheomdan-dong
Music groups: TVXQ (Since 2003), SM Town (Since 2003), and S.M. The Performance
Parents: Jeong Yang-hyun
Height: 6′ 0″
Siblings: Jung Ji-hye
TV shows
Movies