_Rhodri Mawr MANAW _____________+
                                                       | (0820 - 0878)                  
                         _Anarawd ap Rhodri ABERFFRAW _|
                        | (0850 - 0916)                |
                        |                              |_Angharad ferch Meurig GWYNEDD _+
                        |                                (0825 - 0900)                  
 _Idwal Foel ABERFFRAW _|
| (0885 - 0942)         |
|                       |                               ________________________________
|                       |                              |                                
|                       |______________________________|
|                                                      |
|                                                      |________________________________
|                                                                                       
|
|--Meurig ab Idwal Foel ABERFFRAW 
|  (.... - 0986)
|                                                       ________________________________
|                                                      |                                
|                        ______________________________|
|                       |                              |
|                       |                              |________________________________
|                       |                                                               
|_______________________|
                        |
                        |                               ________________________________
                        |                              |                                
                        |______________________________|
                                                       |
                                                       |________________________________