_Egilmar I OLDENBURG _
                                                       | (1050 - 1112)        
                            _Egilmar II OLDENBURG _____|
                           | (1070 - 1142)             |
                           |                           |_Richenza VON STADE __
                           |                             (1044 - 1106)        
 _Heinrich I OLDENBURG ____|
| (1125 - 1167)            |
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|                          |                           |                      
|                          |_Eilika VON WERL-REITBERG _|
|                            (1103 - 1163)             |
|                                                      |______________________
|                                                                             
|
|--Heinrich II OLDENBURG 
|  (1146 - 1198)
|                                                       ______________________
|                                                      |                      
|                           ___________________________|
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|                          |                           |______________________
|                          |                                                  
|_Eilica of WERL-RIETBERG _|
  (1103 - 1163)            |
                           |                            ______________________
                           |                           |                      
                           |___________________________|
                                                       |
                                                       |______________________