_Padarn ap TEGID ____+
                                                         | (0300 - ....)       
                             _Edeyrn ap PADARN BEISRUDD _|
                            |                            |
                            |                            |_____________________
                            |                                                  
 _Cunedda ap Edern GWYNEDD _|
| (0386 - 0460)             |
|                           |                             _____________________
|                           |                            |                     
|                           |____________________________|
|                                                        |
|                                                        |_____________________
|                                                                              
|
|--Dunod ap Cunedda GWYNEDD 
|  (0400 - ....)
|                                                         _____________________
|                                                        |                     
|                            ____________________________|
|                           |                            |
|                           |                            |_____________________
|                           |                                                  
|___________________________|
                            |
                            |                             _____________________
                            |                            |                     
                            |____________________________|
                                                         |
                                                         |_____________________