_William Ramon of MONTCADA _+
                                                    | (1090 - 1173)              
                              _Ramon I of MONTCADA _|
                             | (1150 - 1190)        |
                             |                      |_Beatriu of UNKNOWN ________
                             |                                                   
 _William Ramon II MONTCADA _|
| (1175 - 1228)              |
|                            |                       ____________________________
|                            |                      |                            
|                            |_Romona of TORNAMIRA _|
|                                                   |
|                                                   |____________________________
|                                                                                
|
|--Peter I of MONTCADA 
|  
|                                                    _Alfonso II BARCELONA ______+
|                                                   | (1156 - 1196) m 1173       
|                             _Peter II BARCELONA __|
|                            | (1178 - 1213)        |
|                            |                      |_Sancha of IVREA ___________+
|                            |                        (1154 - 1208) m 1173       
|_Constance of ARAGON _______|
                             |
                             |                       ____________________________
                             |                      |                            
                             |______________________|
                                                    |
                                                    |____________________________