Muirchertach (Murrough) , King Of Munster O'brien
Abt 1030 - 1119 (89 years)(
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- 1 Muirchertach (Murrough) , King Of Munster O'brien [1] b. Abt 1030 d. 1119
- Dubhchobhleigh Na Ossory b. Abt 1050 d. 1098
- 2 Lafracoth O'brien [1.1] b. Bef 1076 d. Yes, date unknown
- Arnulph De Montgomery b. Bef 1074 d. Abt 1126
- 3 Philip De Montgomery [1.1.1] b. 1102 d. 1177
- Margaret Of Dunbar b. Abt 1102 d. Yes, date unknown
- 4 Robert De Montgomerie [1.1.1.1] b. Abt 1125 d. Abt 1180
[ =>]
- 4 Robert De Montgomerie [1.1.1.1]
- 3 Alice De Montgomerie [1.1.2]
- Maurice Fitzgerald De Offaly
- 4 Gerald Fitzmaurice De Offaly [1.1.2.1] d. Bef 1204
[ =>]
- 4 Gerald Fitzmaurice De Offaly [1.1.2.1]
- 3 Philip De Montgomery [1.1.1]
- 2 Lafracoth O'brien [1.1]