| Father | Male Llywelyn ap Owain |
| Born | Abt 1345 | Of Llystyn, Nevern, Pembrokeshire, Wales |
| Died | ||
| Buried | ||
| Married | ||
| Father | Owen ap Einion | F912 Group Sheet | |
| Mother | Gwenllian Coatington | F912 Group Sheet | |
| Mother | Female Nest verch Howel Fychan |
| Born | Abt 1348 | Of Coed Rhath, Pembrokeshire, Wales |
| Died | ||
| Buried | ||
| Father | Hywel fychan ap Hywel | F913 Group Sheet | |
| Mother | ||
| Child 1 | Male Evan ap Llewelyn Bowen |
| Born | Abt 1372 | Of Pentre-Evan, Nevern, Pembrokeshire, Wales |
| Died | ||
| Buried | ||
| Spouse | Margaret Cubbertson | F338 | |
| Married | ||