_Reginald II of MONTBÉLIARD _+
                                                       |                              
                          _Theobald I MONTBÉLIARD ____|
                         | (1158 - 1238)               |
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                         |                                                            
 _Henry II MONTBÉLIARD _|
| (1190 - 1239)          |
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|                        |                             |                              
|                        |_Ermesinde of BAR-SUR-SEINE _|
|                                                      |
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|
|--Margaret of MONTBÉLIARD 
|  (1220 - 1275)
|                                                       _Robert I DREUX ______________+
|                                                      | (1123 - 1188)                
|                         _Robert II DREUX ____________|
|                        | (1154 - 1218)               |
|                        |                             |_Agnes of BAUDEMONT __________
|                        |                                                            
|_Philippa of DREUX _____|
                         |
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                         |                             |                              
                         |_Yolanda of COUCY ___________|
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