_Bogislaw I GRIFFINS _+
                                                | (1130 - 1186) m 1177 
                       _Bogislaw II GRIFFINS ___|
                      | (1177 - 1219)           |
                      |                         |_Anastasia of PIAST __+
                      |                           (1164 - 1240) m 1177 
 _Barnim I GRIFFINS __|
| (1217 - 1278) m 1267|
|                     |                          ______________________
|                     |                         |                      
|                     |_Miroslawa of SOBIESLAW _|
|                                               |
|                                               |______________________
|                                                                      
|
|--Otto I GRIFFINS 
|  (1279 - 1344)
|                                                ______________________
|                                               |                      
|                      _________________________|
|                     |                         |
|                     |                         |______________________
|                     |                                                
|_Matilda of ASCANIA _|
  (1255 - 1316) m 1267|
                      |                          ______________________
                      |                         |                      
                      |_________________________|
                                                |
                                                |______________________