Nielsen Hayden genealogy
Ancestors of Henry IX of Bavaria
1074 - 1126 (52 years) ┌── Albert Azzo I (Abt 970 - 1029) =>
┌── Albert Azzo II (997 - 20 Aug 1097)(m. Abt 1035)
│ └── Adelaide
│
┌── Welf I of Bavaria ( - 6 Nov 1101 Paphos, Cyprus)(m. 1071)
│ │
│ └── Kunigunde of Altdorf (Abt 1020 - Bef 31 Mar 1055)(m. Abt 1035)
│ └── Imiza of Luxembourg (Abt 1000 - Aft 2 Aug 1055)(m. Abt 1017) =>
│
Henry IX of Bavaria (1074 - 13 Dec 1126 Ravensburg, Upper Swabia, Germany)
│
│ ┌── Arnulf II "The Young" ( - 30 Mar 987 bur.Abbey of Saint-Pierre, Ghent, Flanders)(m. 968) =>
│ ┌── Baldwin IV "The Bearded" (980 - 29 May 1035 bur.Abbey of Saint-Pierre, Ghent, Flanders)
│ │ (m. Aft Feb 1030)
│ │ └── 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) =>
│ │
└── Judith of Flanders (Abt 1033 - 5 Mar 1094 Weingarten Abbey, Ravensburg, Upper Swabia, Germany)(m. 1071)
│
│ ┌── Richard II ( - 23 Aug 1026 Fécamp, Normandy, France)(m. Abt 1000) =>
└── (Unknown daughter of Richard II, Duke of Normandy) (m. Aft Feb 1030)
└── Judith of Brittany (982 - 28 Jun 1017 bur.Bernay Abbey, Bernay, Normandy, France)
(m. Abt 1000) =>