| Tiorrdelbach or Turloch [--?--] King of Ireland or Munster (1009 - 1086) |
Dermot of Ossory Prince of Ossory ( - 1065) |
| Derbforgaill of Ossory (~1010 - 1098) |
| Muirchertach II O'Brian King of Ireland | Dubhchobhlaigh of Ossory |
| b. abt 1030, Munster, Ireland d. 1119, Lismore, Waterford, Ireland bur. occ. cen. im. . ud. |
b. d. 1098 bur. occ. cen. im. . ud. |
| Iafracoth (Lafracoth) O'Brian |