_Richard COMYN ____________
                                             | (.... - 1179)             
                        _William COMYN ______|
                       | (1163 - 1233)       |
                       |                     |_Hextilda of TYNEDALE _____+
                       |                                                 
 _Alexander COMYN _____|
| (1218 - 1290)        |
|                      |                      ___________________________
|                      |                     |                           
|                      |_Marjory of BUCHAN __|
|                                            |
|                                            |___________________________
|                                                                        
|
|--William COMYN 
|  
|                                             _Saher of QUINCY __________
|                                            | (1155 - 1219)             
|                       _Roger of QUINCY ____|
|                      | (1195 - 1264)       |
|                      |                     |_Margaret of BEAUMONT _____+
|                      |                       (1156 - 1234)             
|_Elisabeth of QUINCY _|
                       |
                       |                      _Alan of GALLOWAY _________
                       |                     | (1190 - 1234)             
                       |_Helen of GALLOWAY __|
                                             |
                                             |_Helen Fitzroland of LACY _+
                                               (1193 - 1245)