__
                                             |  
                        _Folmar I METZ ______|
                       | (0940 - 0995)       |
                       |                     |__
                       |                        
 _Folmar II METZ ______|
| (.... - 1026)        |
|                      |                      __
|                      |                     |  
|                      |_____________________|
|                                            |
|                                            |__
|                                               
|
|--Godefroy METZ 
|  (.... - 1056)
|                                             __
|                                            |  
|                       _____________________|
|                      |                     |
|                      |                     |__
|                      |                        
|_Gerberge of UNKNOWN _|
                       |
                       |                      __
                       |                     |  
                       |_____________________|
                                             |
                                             |__