| Partner: | Owain ap Hywel of DEHEUBARTH ( - ) | |
| Partner: | (unknown) | |
| Children: | Maredudd ab Owain of DYFED ( -999) | |
| Name: | Owain ap Hywel of DEHEUBARTH | |
| Sex: | Male | |
| Father: | - | |
| Mother: | - | |
| Occupation | King of South Wales | |
| Name: | Maredudd ab Owain of DYFED | |
| Sex: | Male | |
| Occupation | King of Dyfed | |
| Death | 0999 | |
Deheubarth itself was not considered a proper kingdom on the model of Gwynedd, Powys, or Dyfed