Herbert IV - Pedigree | FamilyCentral
 1032 - 1080
 Abt 979/1000 - 25 May 1045
Family Group
 Abt 955 - Abt 1000
Family Group
 Abt 915 - 987
 Abt 935 - Abt 978
 Abt 880 - 23 Feb 943
 Abt 887 - 956
 Abt 880 - 2 Oct 939
 Abt 913 - 5 May 984
Family Group
  Children
1.
Adelheid or Aelis
    2.
Living