_Hermann BILLUNG ____+
| (0900 - 0973)
_Bernard I BILLUNG _____|
| (0950 - 1010) |
| |_Oda of SAXONY ______
| (.... - 0972)
_Bernard II BILLUNG ____|
| (0995 - 1059) |
| | _____________________
| | |
| |_Hildegarde of STADE ___|
| |
| |_____________________
|
|
|--Ordulf BILLUNG
| (1022 - 1072)
| _____________________
| |
| _Henry SCHWEINFURT _____|
| | (0970 - 1017) |
| | |_____________________
| |
|_Eilika of SCHWEINFURT _|
(1005 - 1059) |
| _Herbert CONRADINE __+
| | (0930 - 0992)
|_Gerberga of CONRADINE _|
(0970 - 1036) |
|_Irmtrud of AVALGAU _
(0957 - 1020)