_Henry II MECKLENBURG __________+
                                                 | (1266 - 1328) m 1315           
                         _Albert II MECKLENBURG _|
                        | (1318 - 1378)          |
                        |                        |_Anna of ASCANIA _______________+
                        |                          (.... - 1327) m 1315           
 _Magnus I MECKLENBURG _|
| (1345 - 1384) m 1362  |
|                       |                         _Eric Magnusson BJÄLBO ________+
|                       |                        | (1282 - 1318) m 1312           
|                       |_Euphemia of BJÄLBO ___|
|                         (1317 - 1370)          |
|                                                |_Ingebord Haakonsdatter SVERRE _+
|                                                  (1301 - 1361) m 1312           
|
|--John IV MECKLENBURG 
|  (1370 - 1422)
|                                                 _Wartislaw IV GRIFFIN __________+
|                                                | (1290 - 1326)                  
|                        _Barnim IV GRIFFIN _____|
|                       | (1325 - 1365)          |
|                       |                        |_Elisabeth of LINDOW-RUPPIN ____
|                       |                                                         
|_Elizabeth of GRIFFIN _|
   m 1362               |
                        |                         ________________________________
                        |                        |                                
                        |_Sophie of WERLE _______|
                                                 |
                                                 |________________________________