Nielsen Hayden genealogy
Ancestors of Adelheid van Zutphen
┌── Eberhard I 
(Abt 870 - Aft 904) =>
(Abt 870 - Aft 904) => ┌── Ehrenfried II (Abt 900 - Abt 970)
(Abt 900 - Abt 970) ┌── Hermann I of Lotharingia (Abt 925 - 16 Jun 996)
(Abt 925 - 16 Jun 996) │ └── Richwara ( - 10 Jul 963)
( - 10 Jul 963) │
┌── Ezzo of Lotharingia (Abt 955 - 21 May 1034)
(Abt 955 - 21 May 1034) │ │
│ │ ┌── Hucbald II von Dillingen
│ └── Helwig von Dillingen
│ └── Dietbirg von Schwaben
│
┌── Liudolf (Abt 1000 - 10 Apr 1031)
(Abt 1000 - 10 Apr 1031) │ │
│ │ ┌── Heinrich I "The Fowler", King of Germany (Abt 876 - 2 Jul 936 Membleben, Lower
│ │ │ Saxony, Germany)(m. 909) =>
(Abt 876 - 2 Jul 936 Membleben, Lower │ │ │ Saxony, Germany)(m. 909) =>
│ │ ┌── Otto I, Holy Roman Emperor (23 Nov 912 - 7 May 973 Membleben, Lower Saxony, Germany)
(23 Nov 912 - 7 May 973 Membleben, Lower Saxony, Germany) │ │ │ (m. 951)
│ │ │ └── St. Matilda (Abt 890 - 14 Mar 968 Quedlinburg, Saxony-Anhalt, Germany)(m. 909) =>
(Abt 890 - 14 Mar 968 Quedlinburg, Saxony-Anhalt, Germany)(m. 909) => │ │ │
│ │ ┌── Otto II, Holy Roman Emperor (955 - 7 Dec 983 Rome)
(955 - 7 Dec 983 Rome) │ │ │ │
│ │ │ │ ┌── Rudolph II, King of Burgundy (Abt 890 - 11 Jul 937)(m. 922) =>
(Abt 890 - 11 Jul 937)(m. 922) => │ │ │ └── St. Adelaide of Italy (Abt 931 - 16 Dec 999 Seltz, Bas-Rhin, Alsace, France)(m. 951)
(Abt 931 - 16 Dec 999 Seltz, Bas-Rhin, Alsace, France)(m. 951) │ │ │ └── Bertha of Swabia (Abt 907 - 2 Jan 966)(m. 922) =>
(Abt 907 - 2 Jan 966)(m. 922) => │ │ │
│ └── Mathilde von Sachsen (979 - 4 Dec 1025 Echtz, Düren, Germany)
(979 - 4 Dec 1025 Echtz, Düren, Germany) │ └── Theophano (Between 955 and 956 - 15 Jun 991 Nijmegen, Netherlands)
(Between 955 and 956 - 15 Jun 991 Nijmegen, Netherlands) │
│
│ ┌── Otto von Zutphen