______________________
                                            |                      
                       _Dietrich II CLEVES _|
                      | (.... - 1118)       |
                      |                     |______________________
                      |                                            
 _Arnold I CLEVES ____|
| (.... - 1147)       |
|                     |                      ______________________
|                     |                     |                      
|                     |_____________________|
|                                           |
|                                           |______________________
|                                                                  
|
|--Arnold II CLEVES 
|  
|                                            _Henry II REGINAR ____+
|                                           | (1020 - 1078)        
|                      _Godfrey I REGINAR __|
|                     | (1060 - 1138)       |
|                     |                     |_Adela of THUNRINGIA _
|                     |                                            
|_Ida of REGINAR _____|
  (.... - 1162)       |
                      |                      _Otto II HERBERTIAN __+
                      |                     | (1065 - 1131)        
                      |_Ida of HERBERTIAN __|
                        (.... - 1125)       |
                                            |_Adelaide of NAMUR ___+
                                              (1068 - 1124)