Lee Si-yeon
Lee's birth name was Lee Dae-hak ().  She changed it to Lee Si-yeon when she did gender transition to live as a woman.  In 2007, Lee decided to use sexual reassignment surgery to change her body to be more like other women's bodies and less like men's bodies. Her uncle is Seo Jae-hyok, a member of the South Korean musical band Buhwal.