_Charles I CAROLINGIAN ____+
                                                 | (0747 - 0813) m 0771      
                         _Louis I CAROLINGIAN ___|
                        | (0778 - 0840)          |
                        |                        |_Hildegard of UDALRICHING _+
                        |                          (0754 - 0783) m 0771      
 _Louis II CAROLINGIAN _|
| (0806 - 0876) m 0827  |
|                       |                         _Ingerman of HESBAYE ______+
|                       |                        | (0753 - 0818)             
|                       |_Ermengarde of HESBAYE _|
|                         (0778 - 0818)          |
|                                                |_ ROTRUDE _________________
|                                                                            
|
|--Irmgard of CAROLINGIAN 
|  (0831 - 0866)
|                                                 ___________________________
|                                                |                           
|                        _Welf I_________________|
|                       | (0776 - 0825)          |
|                       |                        |___________________________
|                       |                                                    
|_Hemma of WELF ________|
  (0803 - 0875) m 0827  |
                        |                         _ ISAMBART ________________+
                        |                        | (0750 - 0806)             
                        |_Hedwig of SAXONY ______|
                          (0778 - 0843)          |
                                                 |_Thiedrada of CAROLINGIAN _