1081 - 1137 (56 years)
| Owain GWYNEDD Est 1110-1170 |
| Owain GWYNEDD | |
| B: | Est 1110 |
| D: | 1170 |
| Llewelyn "Fawr" IOWERTH, Prince Of Wales Abt 1173-1240 |
| Llewelyn "Fawr" IOWERTH, Prince Of Wales | |
| B: | Abt 1173 |
| , Anglesey, Wales | |
| D: | 11 Apr 1240 |
| Aberconway, Carnarvon, , WLS | |
 | Joan (Joanna) OF ENGLAND 1191-1237 |
| Joan (Joanna) OF ENGLAND | |
| B: | 1191 |
| M: | 1204 |
| D: | 2 Feb 1237 |
| Llyn Eglwystl, , , WLS | |
| Iowerth "Drwyndwn" AP OWAIN GWYNEDD Est 1140-Yes, date unknown |
| Iowerth "Drwyndwn" AP OWAIN GWYNEDD | |
| B: | Est 1140 |
| D: | Yes, date unknown |
|
| Gruffydd AP CYNAN 1081-1137 |
| Gruffydd AP CYNAN | |
| B: | 1081 |
| D: | 1137 |
