Liudolf, Count of Brunswick, Margrave of Friesland - Pedigree | FamilyCentral
 Abt 1016 - 23 Apr 1038
 Abt 930 - 5 Apr 994
 Abt 950 - 4 May 1003
 Abt 925 - 19 Oct 993
 Abt 943 - 27 Jan 981
 880 - 2 Dec 949
 Abt 902 - 11 Aug 937
 Abt 907 - 11 Aug 967
 10 Sep 921 - 10 Sep 954