Dirk IV - Pedigree | FamilyCentral
  - 1049
 Abt 981 - 27 May 1039
  - 1044
 Abt 955 - 993
 Abt 963 - Abt 1004
  - Abt 1048
Family Group
 Abt 905 - 6 May 988
 Abt 934 - Abt 972/81
 Abt 916 - 28 Oct 998
 Abt 923 - 13 Dec 993
 Abt 957 - 1015
  - 1002
 Abt 935 - Abt 939
 Abt 887 - 27 Mar 964/65
 915 - 18 Oct 960
  - Bef 919
 Abt 892 -
Family Group
Family Group