_Rhodri Mawr MANAW _____________+
                                                             | (0820 - 0878)                  
                                 _Cadell ap Rhodri DINEFWR __|
                                | (0850 - 0909)              |
                                |                            |_Angharad ferch Meurig GWYNEDD _+
                                |                              (0825 - 0900)                  
 _Hywel ap Cadell DINEFWR ______|
| (0887 - 0950)                 |
|                               |                             ________________________________
|                               |                            |                                
|                               |_Rheingar of UNKNOWN _______|
|                                                            |
|                                                            |________________________________
|                                                                                             
|
|--Rhodri ap Hywel DINEFWR 
|  (.... - 0964)
|                                                             _Hyfaidd ap Bleddri DYFED ______+
|                                                            | (0830 - ....)                  
|                                _Llywarch ap Hyfaidd DYFED _|
|                               | (.... - 0904)              |
|                               |                            |________________________________
|                               |                                                             
|_Elen verch Llywarch of DYFED _|
                                |
                                |                             ________________________________
                                |                            |                                
                                |____________________________|
                                                             |
                                                             |________________________________