Nielsen Hayden genealogy
Descendants of Luitgarde de Vermandois
- Aft 978Father: Heribert II (Between 880 and 890 - 23 Feb 943 bur.St. Quentin, Aisne, Picardie, France)
Mother: (Unknown daughter of Robert I, King of France) ( - Aft 931)
Luitgarde de Vermandois ( - Aft 978)
+ Guillaume "Longue Epee", Leader of the Normans of Rouen (Overseas - 16 Dec 942 Picquigny, Picardy, France)
Thibaut I of Blois ( - 16 Jan 975)(m. Between 942 and 945)
   ├─ Emma of Blois (950 - Abt 1003)
   │ William II of Poitou (935 - 3 Feb 993)(m. 968)
   │    └─ William III of Poitou (969 - 31 Jan 1030)
   │     Agnes of Burgundy (Abt 995 - 10 Nov 1068 bur.Abbey of St. Nicolas de Poitiers, Vienne, Poitou-Charentes,
   │     France)
   │     France)
   │        │ + Ermensinde de Longwy
   │        ├─ Guy-Geoffrey of Poitou (Abt 1024 - 25 Sep 1086 Chizé, Deux-Sèvres, Poitou-Charentes, France) =>
   │        │ + Hildegarde of Burgundy (Abt 1050 - Aft 1104)(m. 1069)
   │        │ + Heinrich III, Holy Roman Emperor (28 Oct 1016 - 5 Oct 1056 Bodfeld, Harz, Germany)(m. 21 Nov 1043)
   │         + Raymond I of Melgueil ( - Bef 1079)(m. Bef 1055)
   └─ Odo I (950 - 12 Mar 996 Tours, Indre-et-Loire, France)
    Bertha of Burgundy (Abt 965 - Aft 1010)(m. Abt 983)
       └─ Odo II (990 - 15 Nov 1037 Bar-le-Duc, Lorraine, France)
        Ermengarde of Auvergne ( - 10 Mar 1040)(m. Abt 1010)
           │ + Alan III of Rennes (997 - 1 Oct 1040 Vimoutiers, Normandy, France)
           │ + Geoffrey II de Preuilly ( - 4 Apr 1067)
           ├─ Thibaut III (Abt 1010 - 29 Sep 1089 Epernay, Marne, France) =>
           │ + Garsinda of Maine
            + Adela