1098 - 1155 (57 years)
| Princess of North Wales Gwladus verch Llywelyn | |
| B: | 1205 |
| Gwynedd, Wales | |
| D: | 1251 |
| Wales | |
| Ralph de Mortimer | |
| B: | Bef 1198 |
| Wigmore, Herefordshire, England | |
| M: | 1230 |
| D: | Bef 2 Oct 1246 |
| Wigmore, Herefordshire, England | |
| Prince of North Wales and Lord of Snowdonia Llywelyn ap Lorwerth | |
| B: | 1172 |
| Caernarvonshire, Wales | |
| D: | 11 Apr 1240 |
| Caernarvonshire, Wales | |
| Lady of Wales and Snowdon Lady Joan Plantagenet | |
| B: | 1191 |
| M: | 1205 |
| D: | 2 Feb 1237 |
| Iowerth Drwyndwn ap Owain | |
| B: | 1130 |
| Aberffraw, Anglesey, Wales | |
| D: | 1184 |
| Pennant, Cardiganshire, Wales | |
| Margred Maney verch Madog | |
| B: | 1129 |
| Aberffraw, Anglesey, Wales | |
| M: | 1163 |
| Aberffraw, Anglesey, Wales | |
| D: | 1198 |
| Wales | |
| Gwladus verch Llywarch | |
| B: | 1098 |
| Montgomeryshire, Wales | |
| D: | 1155 |
| Aberffraw, Anglesey, Wales | |
| Prince of South Wales Owain Gwynedd ap Gruffydd | |
| B: | 1087 |
| Caernarvonshire, Wales | |
| D: | Dec 1169 |
| Caernarvonshire, Wales | |
We make every effort to document our research. There is a lot of information that I do not have, and I know there are mistakes in this tree. My feelings will not be hurt if you give me corrections or additional information, especially if you can provide sources for the information.
