_Owain ap Gruffudd ABERFFRAW ______+
                                                                   | (1100 - 1170)                     
                                   _Iorwerth ap OWAIN ABERFFRAW ___|
                                  | (1130 - 1174)                  |
                                  |                                |_Gwladus ferch LLYWARCH ___________
                                  |                                                                    
 _Llewelyn ap Iorwerth ABERFFRAW _|
| (1173 - 1240)                   |
|                                 |                                 _Madog ap Maredudd MATHRAFAL ______+
|                                 |                                | (1091 - 1159)                     
|                                 |_Margred ferch Madog MATHRAFAL _|
|                                   (1150 - 1198)                  |
|                                                                  |_Susanna ferch Gruffudd ABERFFRAW _+
|                                                                    (1106 - 1165)                     
|
|--Angharad ferch Llewlyn ABERFFRAW 
|  
|                                                                   _Henry II PLANTAGENET _____________+
|                                                                  | (1132 - 1189) m 1152              
|                                  _John Lackland PLANTAGENET _____|
|                                 | (1166 - 1216)                  |
|                                 |                                |_Eleanor of POITIERS ______________+
|                                 |                                  (1122 - 1204) m 1152              
|_Joan of PLANTAGENET ____________|
  (1188 - 1236)                   |
                                  |                                 ___________________________________
                                  |                                |                                   
                                  |_Clemence PINEL ________________|
                                                                   |
                                                                   |___________________________________