Nielsen Hayden genealogy
Ancestors of Otto I "The Illustrious"
840 - 912 (~ 82 years) ┌── Liudolf (Abt 805 - 6 Sep 864 bur.Brunshausen, Cuxhaven, Lower Saxony, Germany)
Otto I "The Illustrious" (Between 830 and 840 - 30 Nov 912 bur.Gandersheim Abbey, Gandersheim, Lower Saxony, Germany)
│ ┌── Billung
└── Oda Billung (Abt 806 - 17 May 913 bur.Gandersheim Abbey, Gandersheim, Lower Saxony, Germany)
└── Aeda