_Thomas ap Gwyllyn HERBERT _
                                                                               | (1360 - 1438) m 1392       
                                        _William ap Thomas HERBERT ____________|
                                       | (1385 - 1445) m 1421                  |
                                       |                                       |_Maud MORLEY _______________
                                       |                                         (1369 - 1438) m 1392       
 _William HERBERT _____________________|
| (1423 - 1469)                        |
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|                                      |                                       |                            
|                                      |_Gwladys ferch Dafydd Gam BRYCHEINIOG _|
|                                        (1380 - 1454) m 1421                  |
|                                                                              |____________________________
|                                                                                                           
|
|--Richard HERBERT 
|  (.... - 0002)
|                                                                               ____________________________
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|_Maud ferch Howell Graunt of UNKNOWN _|
                                       |
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                                       |_______________________________________|
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