_Donncuan macDúnlaing O'Toole _+
                                                   | (.... - 1016)                 
                          _Gilla Comgaill O'Toole _|
                         | (.... - 1041)           |
                         |                         |_______________________________
                         |                                                         
 _Gilla Coemgin O'Toole _|
| (.... - 1059)          |
|                        |                          _______________________________
|                        |                         |                               
|                        |_________________________|
|                                                  |
|                                                  |_______________________________
|                                                                                  
|
|--Donncuan O'Toole 
|  
|                                                   _______________________________
|                                                  |                               
|                         _________________________|
|                        |                         |
|                        |                         |_______________________________
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|________________________|
                         |
                         |                          _______________________________
                         |                         |                               
                         |_________________________|
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                                                   |_______________________________