_Bogislaw II GRIFFIN ____+
                                                  | (1177 - 1219)           
                             _Barnim I GRIFFIN ___|
                            | (1217 - 1278) m 1267|
                            |                     |_Miroslawa of SOBIESLAW _
                            |                                               
 _Otto I GRIFFIN ___________|
| (1279 - 1344) m 1296      |
|                           |                      _Otto III ASCANIA _______+
|                           |                     | (1215 - 1267)           
|                           |_Matilda of ASCANIA _|
|                             (1255 - 1316) m 1267|
|                                                 |_Beatrice of PŘEMYSLID _+
|                                                   (1225 - 1290)           
|
|--Barnim III GRIFFIN 
|  (1300 - 1368)
|                                                  _________________________
|                                                 |                         
|                            _____________________|
|                           |                     |
|                           |                     |_________________________
|                           |                                               
|_Elizabeth of SCHAUENBURG _|
  (1282 - 1318) m 1296      |
                            |                      _________________________
                            |                     |                         
                            |_____________________|
                                                  |
                                                  |_________________________