_Floris I HOLLAND _________+
                                               | (1017 - 1061)             
                       _Dirk V HOLLAND ________|
                      | (1052 - 1091)          |
                      |                        |_Gertrude of BILLUNG ______+
                      |                          (1030 - 1113)             
 _Floris II HOLLAND __|
| (1085 - 1120)       |
|                     |                         ___________________________
|                     |                        |                           
|                     |_Othelhilde of UNKNOWN _|
|                                              |
|                                              |___________________________
|                                                                          
|
|--Dirk VI HOLLAND 
|  (1114 - 1157)
|                                               _Gerhard METZ _____________+
|                                              | (1030 - 1070)             
|                      _Theoderic II METZ _____|
|                     | (1055 - 1115) m 1075   |
|                     |                        |_Hedwige of NAMUR _________+
|                     |                                                    
|_Gertrude of METZ ___|
  (1082 - 1144)       |
                      |                         _Frederick FORMBACH _______+
                      |                        |                           
                      |_Hedwig of FORMBACH ____|
                        (1058 - 1090) m 1075   |
                                               |_Gertrude of HALDENSLEBEN _