_William BRUCE _________________+
                                                   | (1142 - 1212) m 1180           
                        _Robert IV BRUCE __________|
                       | (1191 - 1232) m 1219      |
                       |                           |_Cristina FitzUchtred GALLOWAY _
                       |                             (1160 - 1212) m 1180           
 _Bernard I BRUCE _____|
| (.... - 1268)        |
|                      |                            _David DUNKELD _________________+
|                      |                           | (1144 - 1219)                  
|                      |_Isobel DUNKELD ___________|
|                        (1199 - 1251) m 1219      |
|                                                  |_Matilda of KEVELIOC ___________+
|                                                    (1171 - 1232)                  
|
|--Bernard II BRUCE 
|  
|                                                   _Walter II of BEAUCHAMP ________+
|                                                  | (1192 - 1236) m 1212           
|                       _William III of BEAUCHAMP _|
|                      | (1215 - 1269)             |
|                      |                           |_Johanna MORTIMER ______________
|                      |                             (.... - 1225) m 1212           
|_Alicia of BEAUCHAMP _|
                       |
                       |                            ________________________________
                       |                           |                                
                       |_Isabel of MAUDUIT ________|
                                                   |
                                                   |________________________________