Nielsen Hayden genealogy
Ancestors of Henry IX of Bavaria
1074 - 1126 (52 years) ┌── Oberto Obizzo I of Este (Abt 920 of Este, Padua, Veneto, Italy - 15 Oct 975)
┌── Oberto Obizzo II of Este (Abt 950 - 1014)
┌── Albert Azzo I (Abt 970 - 1029)
│ └── Railende du Como
│
┌── Albert Azzo II (997 - 20 Aug 1097)(m. Abt 1035)
│ └── Adelaide
│
┌── Welf I of Bavaria ( - 6 Nov 1101 Paphos, Cyprus)(m. 1071)
│ │
│ │ ┌── Rudolf II ( - Abt 990)
│ │ ┌── Welf II ( - 10 Mar 1030)(m. Abt 1017)
│ │ │ │
│ │ │ │ ┌── Conrad of Rheingau ( - 20 Aug 997)
│ │ │ └── Ita von Öhningen ( - Aft 16 Oct 1000)
│ │ │
│ └── Kunigunde of Altdorf (Abt 1020 - Bef 31 Mar 1055)(m. Abt 1035)
│ │
│ │ ┌── Siegfried of Luxembourg (Between 915 and 920 -
│ │ │ Abt 998 bur.Saint-Maximum, Trier, Germany)(m. Abt 955) =>
│ │ │ Abt 998 bur.Saint-Maximum, Trier, Germany)(m. Abt 955) =>
│ │ ┌── Frederick I of Luxembourg (965 - 6 Oct 1019)(m. Bef 995)
│ │ │ └── Hedwig (Between 935 and 940 - 13 Dec 992 bur.Saint-Maximum, Trier, Germany)
│ │ │ (m. Abt 955)
│ │ │
│ └── Imiza of Luxembourg (Abt 1000 - Aft 2 Aug 1055)(m. Abt 1017)
│ │
│ │ ┌── Heribert I of Kinziggau ( - 992)
│ └── (Unknown daughter of Heribert I) (m. Bef 995)
│ └── Ermentrude =>
│
Henry IX of Bavaria (1074 - 13 Dec 1126 Ravensburg, Upper Swabia, Germany)
│
│ ┌── Arnulf I "The Great" (Abt 885 - 964 bur.Abbey of Saint-Pierre, Ghent, Flanders)
│ │ (m. 922) =>
│ ┌── Baldwin III (Abt 940 - 961 bur.Abbey of Saint-Bertin, Saint-Omer, Pas-de-Calais, France)
│ │ (m. 961)
│ │ └── Adèle de Vermandois (Between 910 and 915 -
│ │ 958 bur.Abbey of Saint-Pierre, Ghent, Flanders)(m. 922) =>
│ │ 958 bur.Abbey of Saint-Pierre, Ghent, Flanders)(m. 922) =>
│ │
│ ┌── Arnulf II "The Young" ( - 30 Mar 987 bur.Abbey of Saint-Pierre, Ghent, Flanders)(m. 968)
│ │ │
│ │ │ ┌── Hermann ( - 27 Mar 973)
│ │ └── Mathilde of Saxony ( - 25 May 1009)(m. 961)
│ │ └── Oda
│ │
│ ┌── Baldwin IV "The Bearded" (980 - 29 May 1035 bur.Abbey of Saint-Pierre, Ghent, Flanders)
│ │ (m. Aft Feb 1030)
│ │ │
│ │ │ ┌── Berengario II, King of Italy (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) =>
│ │ │ │
│ │ └── Rozala of Italy, Queen Consort of France (Between 945 and 955 -
│ │ 13 Dec 1003 bur.Abbey of Saint-Pierre, Ghent, Flanders)(m. 968)
│ │ 13 Dec 1003 bur.Abbey of Saint-Pierre, Ghent, Flanders)(m. 968)
│ │ │
│ │ │ ┌── Boso of Tuscany ( - Aft 936) =>
│ │ └── Willa of Arles ( - Aft 963 Bamberg, Bayern, Germany)(m. Bef 936)
│ │ └── Willa
│ │
└── Judith of Flanders (Abt 1033 - 5 Mar 1094 Weingarten Abbey, Ravensburg, Upper Swabia, Germany)(m. 1071)
│
│ ┌── Guillaume "Longue Epee", Leader of the Normans of Rouen (Overseas -
│ │ 16 Dec 942 Picquigny, Picardy, France) =>
│ │ 16 Dec 942 Picquigny, Picardy, France) =>
│ ┌── Richard I, Leader of the Normans of Rouen (Fécamp, Normandy, France;Between 931 and 932 -
│ │ 21 Nov 996)
│ │ 21 Nov 996)
│ │ └── Sprota
│ │
│ ┌── Richard II ( - 23 Aug 1026 Fécamp, Normandy, France)(m. Abt 1000)
│ │ │
│ │ └── Gunnor
│ │
└── (Unknown daughter of Richard II, Duke of Normandy) (m. Aft Feb 1030)
│
│ ┌── Juhel alias Bérenger ( - Bef 16 Aug 979)
│ ┌── Conan I "Le Tort" ( - 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)
│
│ ┌── Geoffroi I Grisegonelle ( - 21 Jul 987 Marçon, Sarthe, Pays-de-la-Loire, France)
│ │ (m. Abt 965) =>
└── Ermengarde of Anjou ( - Aft 992)(m. Abt 973)
└── Adèle of Troyes ( - Aft 6 Mar 974)(m. Abt 965) =>