_Henry Borwin III MECKLENBURG _+
                                                  | (1220 - 1278)                 
                           _Waldemar MECKLENBURG _|
                          | (1241 - 1282)         |
                          |                       |_Sophia of ERIC _______________
                          |                         (.... - 1241)                 
 _Nicholas I MECKLENBURG _|
| (1262 - 1314)           |
|                         |                        _______________________________
|                         |                       |                               
|                         |_Agnes of SCHAUENBURG _|
|                           (.... - 1286)         |
|                                                 |_______________________________
|                                                                                 
|
|--Elisabeth of MECKLENBURG 
|  
|                                                  _Barnim I GRIFFIN _____________+
|                                                 | (1217 - 1278)                 
|                          _Bogislaw IV GRIFFIN __|
|                         | (1255 - 1308)         |
|                         |                       |_Margareta of MECKLENBURG _____+
|                         |                         (1231 - 1261)                 
|_Margareta of GRIFFIN ___|
                          |
                          |                        _______________________________
                          |                       |                               
                          |_Margareta of RUGIA ___|
                                                  |
                                                  |_______________________________