_Cellach macCerbaill _+
                                                     | (.... - 0908)        
                               _Donnchad macCellaig _|
                              | (.... - 0976)        |
                              |                      |______________________
                              |                                             
 _Gilla Pátraic macDonnchada _|
| (.... - 0996)               |
|                             |                       ______________________
|                             |                      |                      
|                             |______________________|
|                                                    |
|                                                    |______________________
|                                                                           
|
|--Muirchertach mac Gilla Pátraic 
|  
|                                                     ______________________
|                                                    |                      
|                              ______________________|
|                             |                      |
|                             |                      |______________________
|                             |                                             
|_____________________________|
                              |
                              |                       ______________________
                              |                      |                      
                              |______________________|
                                                     |
                                                     |______________________