_Merfyn Frych MANAW __________+
                                                           | (0790 - 0844)                
                           _Rhodri Mawr MANAW _____________|
                          | (0820 - 0878)                  |
                          |                                |_Nest ferch Cadell GWRTHEYRN _+
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 _Tudwal ap Rhodri MANAW _|
| (0860 - ....)           |
|                         |                                 _Meurig ap DYFNWALLON ________
|                         |                                | (0800 - 0871)                
|                         |_Angharad ferch Meurig GWYNEDD _|
|                           (0825 - 0900)                  |
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|--Alser ap Tudwal MANAW 
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