_William BRUCE _________________+
                                            | (1142 - 1212) m 1180           
                       _Robert IV BRUCE ____|
                      | (1191 - 1232) m 1219|
                      |                     |_Cristina FitzUchtred GALLOWAY _
                      |                       (1160 - 1212) m 1180           
 _Robert V BRUCE _____|
| (1215 - 1295) m 1240|
|                     |                      _David DUNKELD _________________+
|                     |                     | (1144 - 1219)                  
|                     |_Isobel DUNKELD _____|
|                       (1199 - 1251) m 1219|
|                                           |_Matilda of KEVELIOC ___________+
|                                             (1171 - 1232)                  
|
|--Isabel BRUCE 
|  (1249 - 1284)
|                                            _Richard of CLARE ______________+
|                                           | (1153 - 1217)                  
|                      _Gilbert of CLARE ___|
|                     | (1180 - 1230)       |
|                     |                     |_Amice of GLOUCESTER ___________
|                     |                       (.... - 1220)                  
|_Isabel of CLARE ____|
  (1226 - 1264) m 1240|
                      |                      _William MARSHAL _______________
                      |                     | (1146 - 1219)                  
                      |_Isabel MARSHAL _____|
                        (1200 - 1239)       |
                                            |_Isabel of CLARE _______________+
                                              (1172 - 1185)