_Gruffudd ap Cynan ABERFFRAW __+
                                                           | (1055 - 1137) m 1082          
                             _Owain ap Gruffudd ABERFFRAW _|
                            | (1100 - 1170)                |
                            |                              |_Angharad ferch Owain DINEFWR _+
                            |                                (1065 - 1162) m 1082          
 _Cynan ap Owain ABERFFRAW _|
| (.... - 1174)             |
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|--Gruffudd ap Cynan ABERFFRAW 
|  (1150 - 1200)
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