| Male Dermod "the Powdered" O'Sullivan |
| Birth | Abt. 1500 | Dunboy Castle, Munster, Ireland |
| Death | 1549 | Dunboy Castle, Munster, Ireland |
| Burial | ||
| Marriage | ||
| Father | Donal "the Swarthy" O'Sullivan | F2568 Group Sheet | |
| Mother | Lady Mary Fitzgerald | F2568 Group Sheet | |
| Male + Owen Reagh O'Sullivan |
| Birth | Bef. 1549 | |
| Death | Abt. 1594 | |
| Burial | ||
| Spouse | Helena Barry | F2605 | |
| Marriage | ||