________________________
                                                 |                        
                           _Dirk I HOLLAND ______|
                          | (0870 - 0928)        |
                          |                      |________________________
                          |                                               
 _Dirk II HOLLAND ________|
| (0920 - 0988)           |
|                         |                       ________________________
|                         |                      |                        
|                         |_Geva of UNKNOWN _____|
|                                                |
|                                                |________________________
|                                                                         
|
|--Arnulf HOLLAND 
|  (0950 - 0993)
|                                                 _Baldwin II FLANDERS ___+
|                                                | (0865 - 0918)          
|                          _Arnulf I FLANDERS ___|
|                         | (0890 - 0965)        |
|                         |                      |_Ælfthryth of WESSEX __+
|                         |                        (0877 - 0929)          
|_Hildegarde of FLANDERS _|
  (.... - 0990)           |
                          |                       _Herbert II HERBERTIAN _+
                          |                      | (0884 - 0942)          
                          |_Adele of HERBERTIAN _|
                            (0910 - 0960)        |
                                                 |_Adele of ROBERTIAN ____+