Nielsen Hayden genealogy
Matilde von Brandenburg
Abt 1210 - 1261 (~ 51 years)1. Matilde von Brandenburg was born about 1210 (daughter of Albrecht II of Brandenburg and Mathilde von Nieder-Lausitz); died on 10 Jun 1261. Family/Spouse: Otto I of Brunswick-Lüneburg. Otto (son of Wilhelm of Brunswick-Lüneburg and Helene of Denmark) was born in 1204; died on 19 Jun 1252. [Group Sheet] [Family Chart]
Children:- Adelheid of Brunswick-Lüneburg died on 12 Jun 1274.
- Agnes of Brunswick-Lüneburg died on 18 Mar 1302.
- Helene of Brunswick-Lüneburg was born on 18 Mar 1223; died on 6 Sep 1273.
- Albrecht I was born in 1236; died on 15 Aug 1279.
2. Albrecht II of Brandenburg was born about 1177 (son of Otto I of Brandenburg and Adelheid); died on 25 Feb 1220. Albrecht married Mathilde von Nieder-Lausitz in Aug 1205. Mathilde (daughter of Konrad von Nieder-Lausitz and Elisabeth of Poland) died in 1255. [Group Sheet] [Family Chart]
3. Mathilde von Nieder-Lausitz (daughter of Konrad von Nieder-Lausitz and Elisabeth of Poland); died in 1255. Children:
- 1. Matilde von Brandenburg was born about 1210; died on 10 Jun 1261.
- Johann I of Brandenburg was born in 1213; died on 4 Apr 1266.
- Otto III of Brandenburg was born about 1215; died on 9 Oct 1267.
Generation: 3
4. Otto I of Brandenburg was born about 21 Jun 1126 (son of Albrecht of Saxony and Sophia von Winzenburg); died on 7 Mar 1184. Otto married Adelheid. [Group Sheet] [Family Chart]
5. Adelheid Children:
- 2. Albrecht II of Brandenburg was born about 1177; died on 25 Feb 1220.
6. Konrad von Nieder-Lausitz was born about 1156 (son of Dedo V von Nieder-Lausitz and Matilde von Heinsberg); died on 6 May 1210. Konrad married Elisabeth of Poland after 29 Jan 1180. Elisabeth (daughter of Mieszko III, High Duke of Poland and Elisabeth of Hungary) died on 2 Apr 1209. [Group Sheet] [Family Chart]
7. Elisabeth of Poland (daughter of Mieszko III, High Duke of Poland and Elisabeth of Hungary); died on 2 Apr 1209. Children:
- 3. Mathilde von Nieder-Lausitz died in 1255.
Generation: 4
8. Albrecht of Saxony was born in 1100 (son of Otto von Ballenstedt and Eilica von Sachsen); died on 18 Nov 1170. Albrecht married Sophia von Winzenburg about 1125. Sophia (daughter of Hermann I and Hedwig von Krain und Istrien) died on 8 Jun 1160. [Group Sheet] [Family Chart]
9. Sophia von Winzenburg (daughter of Hermann I and Hedwig von Krain und Istrien); died on 8 Jun 1160. Children:
- Adalbert died in 1171.
- Gertrud von Brandenburg
- 4. Otto I of Brandenburg was born about 21 Jun 1126; died on 7 Mar 1184.
- Hermann I von Orlamünde was born about 1130; died on 19 Oct 1176.
- Hedwig von Brandenburg was born about 1140; died before 1 Apr 1203; was buried on 1 Apr 1203 in Altzella Abbey, near Nossen, Saxony, Germany.
- Bernhard III of Saxony was born in 1140; died on 9 Feb 1212.
12. Dedo V von Nieder-Lausitz was born about 1130 (son of Konrad I of Meissen and Liutgart von Ravenstein); died on 16 Aug 1190. Dedo married Matilde von Heinsberg. Matilde (daughter of Goswin II of Heinsberg and Adelheid von Sommerschenburg) died on 20 Jan 1189. [Group Sheet] [Family Chart]
13. Matilde von Heinsberg (daughter of Goswin II of Heinsberg and Adelheid von Sommerschenburg); died on 20 Jan 1189. Children:
- Agnes von Nieder-Lausitz was born about 1154; died on 25 Mar 1195.
- 6. Konrad von Nieder-Lausitz was born about 1156; died on 6 May 1210.
14. Mieszko III, High Duke of Poland was born about 1126 (son of Boleslaw III "Wrymouth", King of Poland and Salome von Berg-Schelklingen); died on 13 Mar 1202. Mieszko married Elisabeth of Hungary. Elisabeth (daughter of Béla II "the Blind", King of Hungary and Jelena of Serbia) was born about 1128; died before 1155. [Group Sheet] [Family Chart]
15. Elisabeth of Hungary was born about 1128 (daughter of Béla II "the Blind", King of Hungary and Jelena of Serbia); died before 1155. Children:
- 7. Elisabeth of Poland died on 2 Apr 1209.
- Odon was born between 1141 and 1149; died on 20 Apr 1194.
- Ludmilla of Poland was born about 1150; died in 1223.
- Judith of Poland was born about 1152; died after 1201.