_Henry Borwin I MECKLENBURG _+
                                                        | (.... - 1226)               
                          _Henry Borwin II MECKLENBURG _|
                         | (1170 - 1226)                |
                         |                              |_Matilda of WELF ____________+
                         |                                                            
 _John I MECKLENBURG ____|
| (1211 - 1264) m 1229   |
|                        |                               _Sverker II SVERKER _________+
|                        |                              | (1167 - 1210)               
|                        |_Christina of SVERKER ________|
|                          (.... - 1248)                |
|                                                       |_Benedicta HVIDE ____________
|                                                         (1165 - 1199)               
|
|--Albert I MECKLENBURG 
|  
|                                                        _Poppo VI HENNEBERG _________+
|                                                       | (1140 - 1190)               
|                         _Poppo VII HENNEBERG _________|
|                        | (1215 - 1267)                |
|                        |                              |_Sophia of ANDECHS __________+
|                        |                                (.... - 1217)               
|_Luitgard of HENNEBERG _|
  (1210 - 1267) m 1229   |
                         |                               _____________________________
                         |                              |                             
                         |_Elisabeth of WILDBERG _______|
                           (.... - 1220)                |
                                                        |_____________________________