Member ages
Oneus Member Ages and Birthdays
Oneus member ages and birthdays ranked oldest to youngest, from Ravn at age 30 to Xion at age 26.
Oldest to youngest
| Rank | Member | Age | Birthday | Position |
|---|---|---|---|---|
| #1 |  RavnFormer member | 30 | Sep 2, 1995 | Main Rapper, Vocalist, Producer |
| #2 |  SeohoMember | 29 | Jul 7, 1996 | Main Vocalist |
| #3 |  RavnFormer member | 28 | Jul 26, 1997 | Main Rapper, Producer |
| #4 |  KeonheeMember | 27 | Jun 27, 1998 | Main Vocalist |
| #5 |  HwanwoongMember | 27 | Aug 26, 1998 | Main Dancer, Vocalist |
| #6 |  XionMember | 26 | Jan 20, 2000 | Vocalist |