Iorwerth ab Owain
Abt 1130 - 1174 (44 years)(Notes: You may have to scroll down or right to see chart.)
| Roger de Mortimer, 1st Baron Mortimer -Yes, date unknown |
| Roger de Mortimer, 1st Baron Mortimer | |
| D: | Yes, date unknown |
Maud De Braose -Yes, date unknown |
| Maud De Braose | |
| D: | Yes, date unknown |
| Gwladys Ddu -Yes, date unknown |
| Gwladys Ddu | |
| D: | Yes, date unknown |
| Ralph de Mortimer -Yes, date unknown |
| Ralph de Mortimer | |
| D: | Yes, date unknown |
| 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 |