_Dirk III HOLLAND ______+
                                                | (0982 - 1039)          
                          _Floris I HOLLAND ____|
                         | (1017 - 1061)        |
                         |                      |_Othelindis of BILLUNG _+
                         |                        (.... - 1043)          
 _Dirk V HOLLAND ________|
| (1052 - 1091)          |
|                        |                       _Bernard II BILLUNG ____+
|                        |                      | (0995 - 1059)          
|                        |_Gertrude of BILLUNG _|
|                          (1030 - 1113)        |
|                                               |_Eilika of SCHWEINFURT _+
|                                                 (1005 - 1059)          
|
|--Floris II HOLLAND 
|  (1085 - 1120)
|                                                ________________________
|                                               |                        
|                         ______________________|
|                        |                      |
|                        |                      |________________________
|                        |                                               
|_Othelhilde of UNKNOWN _|
                         |
                         |                       ________________________
                         |                      |                        
                         |______________________|
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                                                |________________________