Nielsen Hayden genealogy
Descendants of Hucbald II von Dillingen
Hucbald II von Dillingen
   └─ Helwig von Dillingen
    Hermann I of Lotharingia (Abt 925 - 16 Jun 996)
       └─ Ezzo of Lotharingia (Abt 955 - 21 May 1034)
        Mathilde von Sachsen (979 - 4 Dec 1025 Echtz, Düren, Germany)
           ├─ Richeza of Lotharingia (Abt 998 - 21 Mar 1063 Saalfield, Thuringia, Germany) =>
           │ + Mieszko II Lambert, King Of Poland ( - May 1034)(m. 1013)
            + Mathilde von Zutphen