_Afonso III BURGUNDY __________+
                                                | (1210 - 1278)                 
                       _Denis BURGUNDY _________|
                      | (1261 - 1324)           |
                      |                         |_Beatrice of IVREA ____________
                      |                           (1242 - 1303)                 
 _Afonso IV BURGUNDY _|
| (1290 - 1357)       |
|                     |                          _Peter III BARCELONA __________+
|                     |                         | (1239 - 1285) m 1262          
|                     |_Elizabeth of BARCELONA _|
|                       (1271 - 1336)           |
|                                               |_Constance II of HOHENSTAUFEN _+
|                                                 (1249 - 1302) m 1262          
|
|--Peter I BURGUNDY 
|  (1320 - 1366)
|                                                _Alfonso X IVREA ______________+
|                                               | (1221 - 1284)                 
|                      _Sancho IV IVREA ________|
|                     | (1258 - 1295)           |
|                     |                         |_Violant of BARCELONA _________+
|                     |                           (1236 - 1301)                 
|_Beatrice of IVREA __|
  (1292 - 1359)       |
                      |                          _Alfonso IVREA ________________+
                      |                         | (1202 - 1271)                 
                      |_Maria of IVREA _________|
                        (1265 - 1321)           |
                                                |_Mayor Alfonso of MENESES _____
                                                  (1230 - 1265)