_____________________________
                                              |                             
                       _Richard COMYN ________|
                      | (.... - 1179)         |
                      |                       |_____________________________
                      |                                                     
 _William COMYN ______|
| (1163 - 1233)       |
|                     |                        _Uchtred of TYNEDALE ________
|                     |                       |                             
|                     |_Hextilda of TYNEDALE _|
|                                             |
|                                             |_Bethoc ingen Domnaill BAIN _
|                                                                           
|
|--Alexander COMYN 
|  (1218 - 1290)
|                                              _____________________________
|                                             |                             
|                      _______________________|
|                     |                       |
|                     |                       |_____________________________
|                     |                                                     
|_Marjory of BUCHAN __|
                      |
                      |                        _____________________________
                      |                       |                             
                      |_______________________|
                                              |
                                              |_____________________________