Nielsen Hayden genealogy
Ancestors of Heinrich of Saxony
1129 - 1195 (66 years) ┌── Welf I of Bavaria ( - 6 Nov 1101 Paphos, Cyprus)(m. 1071) =>
┌── Henry IX of Bavaria (1074 - 13 Dec 1126 Ravensburg, Upper Swabia, Germany)(m. Abt 1100)
│ └── Judith of Flanders (Abt 1033 -
│ 5 Mar 1094 Weingarten Abbey, Ravensburg, Upper Swabia, Germany)(m. 1071) =>
│ 5 Mar 1094 Weingarten Abbey, Ravensburg, Upper Swabia, Germany)(m. 1071) =>
│
┌── Heinrich of Saxony (Abt 1100 - 20 Oct 1139)(m. 29 May 1127)
│ │
│ │ ┌── Magnus of Saxony (Abt 1045 - 23 Aug 1106 bur.Artlenburg, Lower Saxony)
│ │ │ (m. Between 1070 and 1071) =>
│ └── Wulfhilde of Saxony (Abt 1075 - 29 Dec 1126 Weingarten Abbey, Ravensburg, Upper Swabia, Germany)
│ (m. Abt 1100)
│ └── Sophia of Hungary (Abt 1050 - 18 Jun 1095)(m. Between 1070 and 1071) =>
│
Heinrich of Saxony (1129 - 6 Aug 1195 Braunschweig, Lower Saxony, Germany)
│
│ ┌── Lothar II von Süpplinburg, Holy Roman Emperor (Bef 9 Jun 1075 - 4 Dec 1137)(m. 1100)
│ │ └── Hedwig of Formbach ( - Between 1085 and 1090) =>
│ │
└── Gertrud von Süpplinburg (18 Apr 1115 - Abt 18 Apr 1143)(m. 29 May 1127)
│
│ ┌── Heinrich von Northeim (Abt 1051 - Bef 10 Apr 1101) =>
└── Richenza von Northeim ( - 10 Jun 1141)(m. 1100)
└── Gertrude von Meissen (Abt 1060 - 9 Dec 1117) =>