Gebhard II. v.Querfurt?
Oda v.Ammensleben
Burchard II. v.Querfurt * v.Magdeburg
? (1) v.Magdeburg
Burchard III. (1) Burggraf v.Magdeburg
*
v.1155,
+
[1178,1180]
Do you see errors?/Do you have hints?