Nielsen Hayden genealogy
Siegfried III von Northeim
Abt 1053 - Abt 1107 (~ 54 years)1. Siegfried III von Northeim was born about 1053; died about 1107. Family/Spouse: Adelheid von Holstein. [Group Sheet] [Family Chart]
Children:
Generation: 2
2. Richenza von Boyneburg (1.Siegfried1) Family/Spouse: Poppo I of Regenstein-Blankenburg. Poppo was born about 1095; died about 1164. [Group Sheet] [Family Chart]
Children:
Generation: 3
3. Siegfried I of Blankenburg (2.Richenza2, 1.Siegfried1) Family/Spouse: Unknown. [Group Sheet] [Family Chart]
Children:
Generation: 4
4. Heinrich I of Blankenburg and Regenstein (3.Siegfried3, 2.Richenza2, 1.Siegfried1) Family/Spouse: (Unknown) von Polleben. [Group Sheet] [Family Chart]
Children:
- 5. Ulrich I von Regenstein died between 24 Jun 1265 and 5 Jun 1267.
Generation: 5
5. Ulrich I von Regenstein (4.Heinrich4, 3.Siegfried3, 2.Richenza2, 1.Siegfried1) died between 24 Jun 1265 and 5 Jun 1267. Ulrich married Mathilde before 1236. [Group Sheet] [Family Chart]
Children:
Generation: 6
6. Mechtild von Regenstein (5.Ulrich5, 4.Heinrich4, 3.Siegfried3, 2.Richenza2, 1.Siegfried1) Mechtild married Heinrich II of Honstein before 1253. Heinrich (son of Dietrich I of Honstein and Hedwig of Brehna) died on 24 Jan 1284. [Group Sheet] [Family Chart]
Children:
- 7. Dietrich II of Honstein died between 28 May 1309 and 11 Aug 1309.
Generation: 7
7. Dietrich II of Honstein (6.Mechtild6, 5.Ulrich5, 4.Heinrich4, 3.Siegfried3, 2.Richenza2, 1.Siegfried1) died between 28 May 1309 and 11 Aug 1309. Dietrich married Sophie of Anhalt before 28 Nov 1282. Sophie (daughter of Bernhard I of Anhalt and Sophie Abelsdatter of Denmark & S¢nderjylland) died after 20 May 1322. [Group Sheet] [Family Chart]
Children:
- 8. Dietrich III of Honstein died between 29 Sep 1329 and 4 May 1330.
Generation: 8
8. Dietrich III of Honstein (7.Dietrich7, 6.Mechtild6, 5.Ulrich5, 4.Heinrich4, 3.Siegfried3, 2.Richenza2, 1.Siegfried1) died between 29 Sep 1329 and 4 May 1330. Family/Spouse: Elizabeth of Waldeck. Elizabeth (daughter of Otto I of Waldeck and Sophia of Hesse) died after 1370. [Group Sheet] [Family Chart]
Children:
- 9. Dietrich IV of Honstein died between 1378 and 1379.