_Louis MONTBÉLIARD _____
                                                          | (1015 - 1076)           
                            _Theodoric I of MONTBÉLIARD _|
                           | (1045 - 1104) m 1065         |
                           |                              |_Sophia of ARDENNES-BAR _+
                           |                                (1004 - 1093)           
 _Reginald I MONTBÉLIARD _|
| (1090 - 1150)            |
|                          |                               _William I IVREA ________+
|                          |                              | (1020 - 1087)           
|                          |_Ermentrude of IVREA _________|
|                            (1055 - 1105) m 1065         |
|                                                         |_Stephanie LNU __________
|                                                                                   
|
|--Reginald II of MONTBÉLIARD 
|  
|                                                          _________________________
|                                                         |                         
|                           ______________________________|
|                          |                              |
|                          |                              |_________________________
|                          |                                                        
|__________________________|
                           |
                           |                               _________________________
                           |                              |                         
                           |______________________________|
                                                          |
                                                          |_________________________