_Baldwin III FLANDERS _________+
| (0940 - 0962)
_Arnulf II FLANDERS ______________|
| (0961 - 0987) |
| |_Matilda of BILLUNG ___________+
| (0935 - 1008)
_Baldwin IV FLANDERS __________|
| (0980 - 1035) |
| | _Berengar II IVREA ____________+
| | | (0900 - 0966)
| |_Rozala of IVREA _________________|
| (.... - 1002) |
| |_Willa of TUSCANY _____________+
| (0911 - 0970)
|
|--Baldwin V FLANDERS
| (1001 - 1067)
| _Sigfried ARDENNES-LUXEMBOURG _+
| | (0922 - 0998) m 0950
| _Frederick I ARDENNES-LUXEMBOURG _|
| | (0965 - 1019) |
| | |_Hedwig of NORDGAU ____________+
| | (0937 - 0993) m 0950
|_Ogive of ARDENNES-LUXEMBOURG _|
(0985 - 1029) |
| _Herbert CONRADINE ____________+
| | (0930 - 0992)
|_Irmtrud of CONRADINE ____________|
(0978 - 1020) |
|_Irmtrud of AVALGAU ___________
(0957 - 1020)