Siwon
| Stage Name | Siwon |
| Full Name | Choi Si Won |
| Country of Birth | Korea |
| Date of Birth | Apr 07, 1986 |
| Age | 37 years old |
| Height | 1.83 m (6'0") |
| Weight | 64 kg (142 lbs) |
| Blood Type | B |
Not Ranked
| Stage Name | Siwon |
| Full Name | Choi Si Won |
| Country of Birth | Korea |
| Date of Birth | Apr 07, 1986 |
| Age | 37 years old |
| Height | 1.83 m (6'0") |
| Weight | 64 kg (142 lbs) |
| Blood Type | B |
Not Ranked