Gruffudd ap Cynan
Abt 1055 - 1137 (82 years)(Notes: You may have to scroll down or right to see chart.)
| Llywelyn "Llywelyn the Great" ab Iorwerth, Prince of Gwynedd Abt 1173-Yes, date unknown |
| Llywelyn "Llywelyn the Great" ab Iorwerth, Prince of Gwynedd | |
| B: | Abt 1173 |
| D: | Yes, date unknown |
Joan, Lady of Wales -Yes, date unknown |
| Joan, Lady of Wales | |
| D: | Yes, date unknown |
| Iorwerth ab Owain Abt 1130-1174 |
| Iorwerth ab Owain | |
| B: | Abt 1130 |
| D: | 1174 |
| Marared -Yes, date unknown |
| Marared | |
| D: | Yes, date unknown |
| Owain ap Gruffudd Abt 1100-1170 |
| Owain ap Gruffudd | |
| B: | Abt 1100 |
| D: | 1170 |
|
| Gruffudd ap Cynan Abt 1055-1137 |
| Gruffudd ap Cynan | |
| B: | Abt 1055 |
| D: | 1137 |