- 1018
| Gwgan ap Idnerth | |
| B: | 1070 |
| Denbighshire, Wales | |
| D: | 1137 |
| Wales | |
| Gwenllian | |
| B: | 1070 |
| D: | Wales |
| Idnerth ap Edryd | |
| B: | 1050 |
| Denbighshire, Wales | |
| D: | 1100 |
| edryd | |
| B: | 1100 |
| D: | Wales |
| Edryd verch Inethan Byron | |
| B: | 1016 |
| Denbighshire, Wales | |
| D: | 1075 |
| Denbighshire, Wales | |
| Edryd ap Nathan | |
| B: | 991 |
| Denbighshire, Wales | |
| M: | 1016 |
| Denbighshire, Wales | |
| D: | 1056 |
| Iassed ap Inethan | |
| B: | Wales |
| D: | 1018 |
| 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.
