Nielsen Hayden genealogy
Ancestors of William I "The Great" of Burgundy
- 1087
┌── Berengario II, King of Italy 
(Abt 900 - 4 Aug 966 Bamberg, Bayern, Germany)(m. Bef 936)
(Abt 900 - 4 Aug 966 Bamberg, Bayern, Germany)(m. Bef 936) │ └── Gisela of Italy ( - Between 13 Jun 910 and 26 Jan 913)(m. Bef 900) =>
( - Between 13 Jun 910 and 26 Jan 913)(m. Bef 900) => │
│ │
│ │ ┌── Boso of Tuscany ( - Aft 936) =>
( - Aft 936) => │ └── Willa of Arles ( - Aft 963 Bamberg, Bayern, Germany)(m. Bef 936)
( - Aft 963 Bamberg, Bayern, Germany)(m. Bef 936) │ └── Willa
│
┌── Otto-William of Burgundy (Bef 962 - Bef 21 Sep 1026 bur.Dijon Cathedral, Dijon, Côte-d'Or, Burgundy,
│ France)
(Bef 962 - Bef 21 Sep 1026 bur.Dijon Cathedral, Dijon, Côte-d'Or, Burgundy,│ France)
│ │
│ │ ┌── Robert
│ │ ┌── Lambert of Châlon ( - Between 977 and 985)
( - Between 977 and 985) │ │ │ └── Ingeltrude
│ │ │
│ └── Gerberge ( - Between 986 and 992)
( - Between 986 and 992) │ └── Adélaïde ( - Aft 999)
( - Aft 999) │
┌── Renaud I ( - 1057)(m. Bef 2 Nov 1023)
( - 1057)(m. Bef 2 Nov 1023) │ │
│ │ ┌── Renaud I ( - 10 May 967 Reims, Marne, Champagne-Ardenne, France)
( - 10 May 967 Reims, Marne, Champagne-Ardenne, France) │ └── Ermentrude de Roucy (Abt 950 - 5 Mar 1002)
(Abt 950 - 5 Mar 1002) │ │
│ │ ┌── Reginar I "Longneck" (Abt 850 - Between 25 Oct 915 and 19 Jan 916 Meersen Palace,
│ │ │ Meersen, Brabant Wallon, Belgium)
(Abt 850 - Between 25 Oct 915 and 19 Jan 916 Meersen Palace, │ │ │ Meersen, Brabant Wallon, Belgium)
│ │ ┌── Giselbert I (Between 891 and 898 - 2 Oct 939 Andernach, Rhineland, Germany)(m. 929)
(Between 891 and 898 - 2 Oct 939 Andernach, Rhineland, Germany)(m. 929) │ │ │ └── Alberada of Mons ( - Aft 915)
( - Aft 915) │ │ │
│ └── Alberade de Lorraine (Abt 931 - ?? bur.Abbey of Saint-Remi, Reims, Marne, Champagne-Ardenne,
│ France)
(Abt 931 - ?? bur.Abbey of Saint-Remi, Reims, Marne, Champagne-Ardenne, │ France)
│ │
│ │ ┌── Heinrich I "The Fowler", King of Germany (Abt 876 - 2 Jul 936 Membleben, Lower
│ │ │ Saxony, Germany)(m. 909) =>
(Abt 876 - 2 Jul 936 Membleben, Lower │ │ │ Saxony, Germany)(m. 909) =>
│ └── Gerberga of Saxony (Between 913 and 914 - 5 May 969 bur.Saint-Rémy de Reims)(m. 929)
(Between 913 and 914 - 5 May 969 bur.Saint-Rémy de Reims)(m. 929) │ └── St. Matilda (Abt 890 - 14 Mar 968 Quedlinburg, Saxony-Anhalt, Germany)(m. 909) =>
(Abt 890 - 14 Mar 968 Quedlinburg, Saxony-Anhalt, Germany)(m. 909) => │
William I "The Great" of Burgundy ( - 12 Nov 1087)
│
│ ┌── Rollo ( - Between 928 and 933)
( - Between 928 and 933) │ ┌── Guillaume "Longue Epee", Leader of the Normans of Rouen (Overseas -
│ │ 16 Dec 942 Picquigny, Picardy, France)
(Overseas -│ │ 16 Dec 942 Picquigny, Picardy, France)
│ │ └── Poppa
│ │
│ ┌── Richard I, Leader of the Normans of Rouen (Fécamp, Normandy, France;Between 931 and 932 -
│ │ 21 Nov 996)
(Fécamp, Normandy, France;Between 931 and 932 -│ │ 21 Nov 996)
│ │ └── Sprota
│ │
│ ┌── Richard II ( - 23 Aug 1026 Fécamp, Normandy, France)(m. Abt 1000)
( - 23 Aug 1026 Fécamp, Normandy, France)(m. Abt 1000) │ │ │
│ │ └── Gunnor
│ │
└── Adélaïde of Normandy ( - Aft 1074)(m. Bef 2 Nov 1023)
( - Aft 1074)(m. Bef 2 Nov 1023) │
│ ┌── Juhel alias Bérenger ( - Bef 16 Aug 979)
( - Bef 16 Aug 979) │ ┌── Conan I "Le Tort" ( - 27 Jun 992 Conquereuil, near Nantes, Brittany, France)(m. Abt 973)
( - 27 Jun 992 Conquereuil, near Nantes, Brittany, France)(m. Abt 973) └── Judith of Brittany (982 - 28 Jun 1017 bur.Bernay Abbey, Bernay, Normandy, France)(m. Abt 1000)
(982 - 28 Jun 1017 bur.Bernay Abbey, Bernay, Normandy, France)(m. Abt 1000) │
│ ┌── Foulques II "Le Bon" ( - 958)(m. 937) =>
( - 958)(m. 937) => │ ┌── Geoffroi I Grisegonelle ( - 21 Jul 987 Marçon, Sarthe, Pays-de-la-Loire, France)
( - 21 Jul 987 Marçon, Sarthe, Pays-de-la-Loire, France) │ │ (m. Abt 965)
│ │ └── Gerberge ( - Bef Sep 958)(m. 937)
( - Bef Sep 958)(m. 937) │ │
└── Ermengarde of Anjou ( - Aft 992)(m. Abt 973)
( - Aft 992)(m. Abt 973) │
└── Adèle of Troyes ( - Aft 6 Mar 974)(m. Abt 965)
( - Aft 6 Mar 974)(m. Abt 965)