Tadc mac Briain
- 1023( = Descendancy chart to this point, = Expand, = Collapse)
- 1 Tadc mac Briain d. 1023
- Mór
- 2 Toirdelbach Ua Briain b. 1009 d. 14 Jul 1086
- Derbforgaill of Osraige
- 3 Muirchertach Ua Briain b. Abt 1050 d. Abt 10 Mar 1118/19
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- 4 Lafracota [ =>]
- 4 Mor Ua Briain d. 1137
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- 3 Muirchertach Ua Briain b. Abt 1050 d. Abt 10 Mar 1118/19
- Derbforgaill of Osraige
- 2 Toirdelbach Ua Briain b. 1009 d. 14 Jul 1086
- Mór