__
                         |  
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                      |  |
                      |  |__
                      |     
 _Dirk I HOLLAND _____|
| (0870 - 0928)       |
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|                     |  |  
|                     |__|
|                        |
|                        |__
|                           
|
|--Dirk II HOLLAND 
|  (0920 - 0988)
|                         __
|                        |  
|                      __|
|                     |  |
|                     |  |__
|                     |     
|_Geva of UNKNOWN ____|
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