_Rhys ap Gruffydd DINEFWR ________+
                                                    | (1130 - 1197)                    
                             _Rhys ap Rhys DINEFWR _|
                            | (1167 - 1234)         |
                            |                       |_Gwenllian ferch Madog MATHRAFAL _+
                            |                                                          
 _Maredudd ap Rhys DINEFWR _|
| (.... - 1271)             |
|                           |                        _Richard of CLARE ________________+
|                           |                       | (1153 - 1217)                    
|                           |_Mathilde of CLARE ____|
|                                                   |
|                                                   |_Amice of GLOUCESTER _____________
|                                                     (.... - 1220)                    
|
|--Rhys ap Maredudd DINEFWR 
|  (1250 - 1292)
|                                                    __________________________________
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|                            _______________________|
|                           |                       |
|                           |                       |__________________________________
|                           |                                                          
|_Isobella of MARSHAL ______|
                            |
                            |                        __________________________________
                            |                       |                                  
                            |_______________________|
                                                    |
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