Nielsen Hayden genealogy
Descendants of Louis I
- 1025Father: Otto I ( - 1013)
Mother: Ermengarde
Louis I ( - 28 Sep 1025)
Katharina (m. Aft 1014)
   └─ Louis II ( - Between 1065 and 1066)
   
       └─ Arnold II (Abt 1040 - 16 Apr 1106)
        Adèle de Montdidier
            + Adelaide de Namur (1068 - 1124)