Nielsen Hayden genealogy
Descendants of Ermentrude of France
877 -Father: Louis II "The Stammerer", King of France (1 Nov 846 - 10 Apr 879 Compiègne, Oise, Ile-de-France, France)
Mother: Ansgarde ( - Aft 879)
Ermentrude of France (Between 870 and 877 - ??)
   └─ Cunegonde (Between 885 and 895 - ??)
    Wigeric ( - Aft 19 Jan 916 bur.Hastière, Belgium)(m. Abt 908)
       ├─ Gozlin ( - 18 Oct 942)
       │ Uda ( - Aft 19 May 963)
       │     + Mathilde of Saxony ( - 25 May 1009)(m. Abt 963)
       ├─ Frédéric I (Between 910 and 915 - 18 May 978)
       │ Beatrix of Lorraine ( - Aft 987)(m. 954)
       │    └─ Thierry I (Abt 965 - Between 11 Apr 1026 and 2 Jan 1027) =>
       │     + Richilde (m. 985)
       ├─ Liutgarde von Bidgau (Abt 915 - Aft 8 Apr 960)
       │ Eberhard IV (Abt 910 - 18 Dec 972)
       │     + Luitgard von Metz
       └─ Siegfried of Luxembourg (Between 915 and 920 - Abt 998 bur.Saint-Maximum, Trier, Germany)
        Hedwig (Between 935 and 940 - 13 Dec 992 bur.Saint-Maximum, Trier, Germany)(m. Abt 955)
           ├─ Luitgard of Luxembourg ( - Aft 1005 bur.Egmond Abbey, Bergen, North Holland) =>
           │ + Arnulf of Ghent (951 Ghent, Flanders - 18 Sep 993 Winkel, West Friesland)(m. May 980)
           │ +
            + (Unknown daughter of Heribert I) (m. Bef 995)