Tracing Douglas family roots - unraveling history, one generation at a time.

![]() | Gilla Coemgin O'toole |
| Gilla Coemgin O'toole | |
| D: | 1059 |
![]() | Gilla Comgaill O'toole |
| Gilla Comgaill O'toole | |
| D: | 1041 |
| Donncuan Macdúnlaing O'toole King of Leinster | |
| D: | 1016 |
| Augaire Macdúnlaing O'toole King of Leinster | |
| D: | 1024 |
| Donnchad Macdúnlaing O'toole King of Leinster | |
| D: | 1036 |
| Murchad Macdúnlaing O'toole King of Leinster | |
| D: | 1042 |
![]() | Gruffydd Ap Cynan Prince of Gwynedd |
| Gruffydd Ap Cynan Prince of Gwynedd | |
| B: | 1055 |
| D: | 1137 |
![]() | Angharad |
| Angharad | |
| D: | Yes, date unknown |
![]() | Ranult of Dublin Ingen Olaf |
| Ranult of Dublin Ingen Olaf | |
| D: | Yes, date unknown |
![]() | Cynan Ap Iago |
| Cynan Ap Iago | |
| D: | Yes, date unknown |
![]() | Maelcorcre Ingen Dúnlaing O'muiredaig |
| Maelcorcre Ingen Dúnlaing O'muiredaig | |
| D: | Yes, date unknown |
![]() | Olaf Sihtricson King of Dublin |
| Olaf Sihtricson King of Dublin | |
| D: | Yes, date unknown |
|
| Dúnlaing Mactuathal O'muiredaig King of Leinster | |
| D: | 1014 |
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