| Idwal ap Meurig | |
| B: | Abt 945 |
| Anglesey, Wales | |
| D: | Abt 996 |
| Anglesey, Wales | |
| Afandreg Ferch Gweir | |
| D: | 1053 |
| Lady of Idwal ap Meurig | |
| B: | Anglesey, Wales |
| M: | Aberffraw, Anglesey, Wales |
| D: | 1003 |
| Cecily verch Madog | |
| B: | Aberffraw, Anglesey, Wales |
| D: | 1016 |
| Wales | |
| Meurig ap Idwal | |
| B: | 917 |
| Malltraeth, Anglesey, Wales | |
| D: | 986 |
| Malltraeth, Anglesey, Wales | |
| ap idwal | |
| B: | 939 |
| Malltraeth, Anglesey, Wales | |
| Mereddon verch Cadwr | |
| B: | 887 |
| Gwynedd, Wales | |
| M: | Anglesey, Wales |
| King Anarawd ap Rhodri | |
| B: | 857 |
| Wales | |
| D: | 916 |
| Anglesey, 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.
