- 1037
| Gruffydd ap Cynan | |
| B: | 1055 |
| Caernarvonshire, Wales | |
| D: | 1137 |
| Caernarvonshire, Wales | |
| Angharad verch Owain | |
| B: | 1065 |
| Flintshire, Wales | |
| M: | 1085 |
| Gwynedd, Wales | |
| D: | 1162 |
| Flintshire, Wales | |
| Rhanullt O'Olaf | |
| B: | 1031 |
| Dublin, Ireland | |
| D: | 1076 |
| Dublin, Ireland | |
| Cynan ap Iago | |
| B: | 1014 |
| Anglesey, Wales | |
| M: | Caernarvonshire, Wales |
| D: | 1051 |
| Olaf Sihtricson | |
| B: | 1000 |
| Dublin, Ireland | |
| D: | 1034 |
| Maelcorcre Ingen O'Muiredaig | |
| B: | 1000 |
| Ireland | |
| D: | 1054 |
| Somme, Picardie, France | |
| Slani Ingen Briain | |
| B: | Ireland |
| D: | 1037 |
| Ireland | |
| Sihtric Olafsson | |
| B: | 981 |
| Dublin, Ireland | |
| D: | 1042 |
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.
