_Rhys ap Rhys DINEFWR __+
                                                              | (1167 - 1234)          
                                     _Madoc ap Rhys DINEFWR __|
                                    | (1205 - 1292)           |
                                    |                         |_Gwerfyl verch MAELGWN _
                                    |                                                  
 _Traihaiarn ap Madoc Goch DINEFWR _|
| (1230 - 1275)                     |
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|                                   |_Tanglwyst verch GRONWY _|
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|                                                                                      
|
|--David Goch ap Traihaiarn DINEFWR 
|  (1275 - 1314)
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|_Genervyl verch MAGOG _____________|
                                    |
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