_Henry Borwin I MECKLENBURG _+
                                                               | (.... - 1226)               
                                 _Henry Borwin II MECKLENBURG _|
                                | (1170 - 1226)                |
                                |                              |_Matilda of WELF ____________+
                                |                                                            
 _Henry Borwin III MECKLENBURG _|
| (1220 - 1278)                 |
|                               |                               _Sverker II SVERKER _________+
|                               |                              | (1167 - 1210)               
|                               |_Christina of SVERKER ________|
|                                 (.... - 1248)                |
|                                                              |_Benedicta HVIDE ____________
|                                                                (1165 - 1199)               
|
|--John MECKLENBURG 
|  (.... - 1266)
|                                                               _____________________________
|                                                              |                             
|                                ______________________________|
|                               |                              |
|                               |                              |_____________________________
|                               |                                                            
|_Sophia of ERIC _______________|
  (.... - 1241)                 |
                                |                               _____________________________
                                |                              |                             
                                |______________________________|
                                                               |
                                                               |_____________________________