| Full Name | Son Ye-won |
| Stage Name | Yewon |
| Native Name | 손예원 |
| Birthday | March 18, 2005 |
| Age | 20 years and 3 months old |
| Zodiac Sign | Pisces |
| Birthplace | Hapjeong- dong, Mapo-gu, Seoul, South Korea |
| Height | – |
| Weight | – |
| Blood Type | – |
| MBTI | ISFJ |
| Education | Sungshin Women’s University |
| Languages | Korean, English, Japanese, Chinese |
| Group | FIFTY FIFTY (2022-present) |
| Social Media | – |