_Bogislaw I GRIFFIN ___________+
                                                | (1130 - 1186) m 1177          
                       _Bogislaw II GRIFFIN ____|
                      | (1177 - 1219)           |
                      |                         |_Anastasia of PIAST ___________+
                      |                           (1164 - 1240) m 1177          
 _Barnim I GRIFFIN ___|
| (1217 - 1278) m 1238|
|                     |                          _______________________________
|                     |                         |                               
|                     |_Miroslawa of SOBIESLAW _|
|                                               |
|                                               |_______________________________
|                                                                               
|
|--Anastasia of GRIFFIN 
|  (1245 - 1316)
|                                                _Henry III WELF _______________+
|                                               | (1129 - 1195)                 
|                      _William WELF ___________|
|                     | (1184 - 1213)           |
|                     |                         |_Matilda of PLANTAGENET _______+
|                     |                           (1155 - 1189)                 
|_Marianne of WELF ___|
  (.... - 1252) m 1238|
                      |                          _Valdemar I Knudsen ESTRIDSEN _+
                      |                         | (1130 - 1182)                 
                      |_Helena of ESTRIDSEN ____|
                        (1180 - 1233)           |
                                                |_Sofia of POLOVTS _____________+
                                                  (1138 - 1198)