Nielsen Hayden genealogy
Descendants of Waldrada
Waldrada
Conrad II ( - Bef 876)
   ├─ Adelaide of Auxerre
   │ + Richard "The Justiciar" (860 Metz, Moselle, Lorraine, France - 1 Sep 921 Auxerre, Yonne, Burgundy, France)
   └─ Rudolph I, King of Burgundy (Abt 859 - 25 Oct 912)
    Willa of Vienne (Abt 878 - ??)
       └─ Rudolph II, King of Burgundy (Abt 890 - 11 Jul 937)
        Bertha of Swabia (Abt 907 - 2 Jan 966)(m. 922)
           │ + Matilda of the West Franks ( - Abt 981)
           └─ St. Adelaide of Italy (Abt 931 - 16 Dec 999 Seltz, Bas-Rhin, Alsace, France) =>
            + Otto I, Holy Roman Emperor (23 Nov 912 - 7 May 973 Membleben, Lower Saxony, Germany)(m. 951)