_Robert V BRUCE _____+
                                             | (1215 - 1295) m 1240
                       _Robert VI BRUCE _____|
                      | (1243 - 1303)        |
                      |                      |_Isabel of CLARE ____+
                      |                        (1226 - 1264) m 1240
 _Robert I BRUCE _____|
| (1274 - 1329)       |
|                     |                       _____________________
|                     |                      |                     
|                     |_Marjorie of MACDUFF _|
|                       (1253 - 1292)        |
|                                            |_____________________
|                                                                  
|
|--Marjorie BRUCE 
|  (1296 - 1316)
|                                             _____________________
|                                            |                     
|                      ______________________|
|                     |                      |
|                     |                      |_____________________
|                     |                                            
|_Isabella of MAR ____|
  (1277 - 1296)       |
                      |                       _____________________
                      |                      |                     
                      |______________________|
                                             |
                                             |_____________________