_Alfonso X IVREA _______+
                                                  | (1221 - 1284)          
                          _Ferdinand of LA CERDA _|
                         | (1255 - 1275)          |
                         |                        |_Violant of BARCELONA __+
                         |                          (1236 - 1301)          
 _Ferdinand of LA CERDA _|
| (1275 - 1322)          |
|                        |                         _Louis IX CAPET ________+
|                        |                        | (1214 - 1270)          
|                        |_Blanche of CAPET ______|
|                          (1253 - 1323)          |
|                                                 |_Margaret of BARCELONA _+
|                                                   (1221 - 1295)          
|
|--Maria of LA CERDA 
|  (1319 - 1379)
|                                                  ________________________
|                                                 |                        
|                         ________________________|
|                        |                        |
|                        |                        |________________________
|                        |                                                 
|_Juana Núñez of LARA _|
  (1286 - 1351)          |
                         |                         ________________________
                         |                        |                        
                         |________________________|
                                                  |
                                                  |________________________