Ancestry Research in Ireland

| Domnall O'Brien, King of Dublin | |
| D: | 1135 |
| Lismore, Waterford, Ireland | |
| Sigurd Magnusson, King of Norway | |
| B: | Abt. 1090 |
| M: | 1102 |
![]() | Murtaugh O'Brien, High King of Ireland |
| Murtaugh O'Brien, High King of Ireland | |
| B: | Abt. 1050 |
| D: | Abt. 10 Mar 1119 |
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