_Gerhard METZ _________________+
                                               | (0985 - 1045)                 
                         _Gerhard METZ ________|
                        | (1030 - 1070)        |
                        |                      |_Gisella of UNKNOWN ___________
                        |                                                      
 _Theoderic II METZ ____|
| (1055 - 1115)         |
|                       |                       _Albert II NAMUR ______________+
|                       |                      | (.... - 1067) m 1010          
|                       |_Hedwige of NAMUR ____|
|                                              |
|                                              |_Regelinde of ARDENNES-VERDUN _+
|                                                (.... - 1067) m 1010          
|
|--Gerard METZ 
|  (.... - 0117)
|                                               _Baldwin V FLANDERS ___________+
|                                              | (1001 - 1067) m 1028          
|                        _Robert I FLANDERS ___|
|                       | (1035 - 1093)        |
|                       |                      |_Adela of CAPET _______________+
|                       |                        (1009 - 1078) m 1028          
|_Gertrude of FLANDERS _|
  (1070 - 1117)         |
                        |                       _Bernard II BILLUNG ___________+
                        |                      | (0995 - 1059)                 
                        |_Gertrude of BILLUNG _|
                          (1030 - 1113)        |
                                               |_Eilika of SCHWEINFURT ________+
                                                 (1005 - 1059)