__
                                                   |  
                             _Egilmar I OLDENBURG _|
                            | (1050 - 1112)        |
                            |                      |__
                            |                         
 _Egilmar II OLDENBURG _____|
| (1070 - 1142)             |
|                           |                       __
|                           |                      |  
|                           |_Richenza VON STADE __|
|                             (1044 - 1106)        |
|                                                  |__
|                                                     
|
|--Heinrich I OLDENBURG 
|  (1125 - 1167)
|                                                   __
|                                                  |  
|                            ______________________|
|                           |                      |
|                           |                      |__
|                           |                         
|_Eilika VON WERL-REITBERG _|
  (1103 - 1163)             |
                            |                       __
                            |                      |  
                            |______________________|
                                                   |
                                                   |__