_Walkelin of ARDERNE _______________+
                                                                       | (1215 - 1265) m 1240               
                                        _Peter of ARDERNE _____________|
                                       | (1241 - 1292)                 |
                                       |                               |_Agnes of ORREBY ___________________
                                       |                                 (1220 - 1300) m 1240               
 _John of ARDERNE _____________________|
| (1266 - 1308) m 1305                 |
|                                      |                                ____________________________________
|                                      |                               |                                    
|                                      |_Margery of ELLEFORDE _________|
|                                        (1250 - 1300)                 |
|                                                                      |____________________________________
|                                                                                                           
|
|--John ARDERNE 
|  (1299 - 1349)
|                                                                       _Madog ap Gruffyd Maelor MATHRAFAL _+
|                                                                      |                                    
|                                       _Gruffudd Maelor II MATHRAFAL _|
|                                      | (.... - 1269)                 |
|                                      |                               |_Esyllt of UNKNOWN _________________
|                                      |                                                                    
|_Margery ferch Gruffydd of MATHRAFAL _|
  (1261 - 1314) m 1305                 |
                                       |                                ____________________________________
                                       |                               |                                    
                                       |_Emma AUDLEY __________________|
                                         (1224 - 1278)                 |
                                                                       |____________________________________