Nielsen Hayden genealogy
Ancestors of Erich of Brunswick
- 1427 ┌── Otto I of Brunswick-Lüneburg (1204 - 19 Jun 1252) =>
┌── Albrecht I (1236 - 15 Aug 1279)(m. 1 Nov 1266)
│ └── Matilde von Brandenburg (Abt 1210 - 10 Jun 1261) =>
│
┌── Heinrich I of Brunswick (Aug 1267 - 7 Sep 1322)(m. 1282)
│ │
│ │ ┌── Boniface II (Abt 1202 - Between 12 Jun 1253 and 10 Dec 1256)(m. 9 Dec 1235) =>
│ └── Alessina de Monferrato ( - 5 Feb 1285)(m. 1 Nov 1266)
│ └── Margereta of Savoy ( - 1254)(m. 9 Dec 1235) =>
│
┌── Ernst of Brunswick (Abt 1297 - 11 Mar 1361)(m. Abt 1335)
│ │
│ │ ┌── Heinrich von Meissen (Abt 1215 - Bef 8 Feb 1288)(m. 1 May 1234) =>
│ │ ┌── Albrecht II of Meissen (1240 - 20 Nov 1315)(m. 1254)
│ │ │ └── Constance of Austria (6 May 1212 - Bef 5 Jun 1243)(m. 1 May 1234) =>
│ │ │
│ └── Agnes von Meissen (Bef 1264 - Aft 1 Feb 1332)(m. 1282)
│ │
│ │ ┌── Friedrich II, Holy Roman Emperor (26 Dec 1194 - 13 Dec 1250)
│ │ │ (m. 20 Jul 1235 Worms, Germany) =>
│ └── Margarethe von Hohenstaufen (Abt Feb 1237 - 8 Aug 1270 Frankfurt-am-Main, Germany)
│ (m. 1254)
│ └── Isabella of England (1214 - 1 Dec 1241)(m. 20 Jul 1235 Worms, Germany) =>
│
┌── Albrecht I of Brunswick (Abt 1339 -
│ Between 11 Aug 1383 and 22 Sep 1383 Salzderhelden, Lower Saxony, Germany)(m. Bef 17 Aug 1372)
│ Between 11 Aug 1383 and 22 Sep 1383 Salzderhelden, Lower Saxony, Germany)(m. Bef 17 Aug 1372)
│ │
│ │ ┌── Hermann von Everstein ( - Aft 1268) =>
│ │ ┌── Otto of Everstein
│ │ │ └── Hedvig Jensdatter ( - 6 Jun 1266) =>
│ │ │
│ │ ┌── Hermann II of Everstein ( - Between 20 Jun 1350 and 12 Jun 1351)
│ │ │ │
│ │ │ │ ┌── Meinhard von Schladen
│ │ │ └── Luitgard von Schladen
│ │ │
│ └── Adelheid of Everstein ( - Aft 1376)(m. Abt 1335)
│ │
│ │ ┌── Bernhard IV ( - Abt May 1275) =>
│ │ ┌── Simon I (Abt 1261 - 10 Aug 1344)(m. Bef Aug 1282)
│ │ │ └── Agnes von Kleve ( - Bef 1 Aug 1285) =>
│ │ │
│ └── Adelheid zur Lippe ( - Aft 1324)
│ │
│ │ ┌── Heinrich III von Waldeck ( - 1267)(m. Bef 4 Sep 1263) =>
│ └── Adelheid von Waldeck ( - Between 17 Aug 1338 and 5 Aug 1342)(m. Bef Aug 1282)
│ └── Mechtild von Arnsberg ( - Aft 13 Aug 1298)(m. Bef 4 Sep 1263) =>
│
Erich of Brunswick ( - 28 May 1427 bur.St. Alexander, Einbeck, Lower Saxony, germany)
│
│ ┌── Albrecht I (1236 - 15 Aug 1279)(m. 1 Nov 1266) =>
│ ┌── Albrecht II of Brunswick (Abt 1268 - 22 Sep 1318 bur.Brunswick Cathedral, Braunschweig,
│ │ Lower Saxony, Germany)(m. 10 Jan 1284)
│ │ Lower Saxony, Germany)(m. 10 Jan 1284)
│ │ └── Alessina de Monferrato ( - 5 Feb 1285)(m. 1 Nov 1266) =>
│ │
│ ┌── Magnus I of Brunswick (Abt 1304 - Between 15 Jun 1369 and 15 Aug 1369 bur.St. Michaelis,
│ │ Lüneberg, Lower Saxony, Germany)(m. Abt 1327)
│ │ Lüneberg, Lower Saxony, Germany)(m. Abt 1327)
│ │ │
│ │ │ ┌── Heinrich I of Werle (Abt 1235 - 8 Oct 1291)(m. 1262) =>
│ │ └── Richza of Werle ( - Aft 2 Oct 1312 bur.Göttingen, Lower Saxony, Germany)
│ │ (m. 10 Jan 1284)
│ │ └── Richeza Birgersdotter ( - Bef 13 Dec 1288)(m. 1262) =>
│ │
│ ┌── Magnus II of Brunswick (Abt 1328 - 25 Jul 1373 Leveste, Lower Saxony, Germany)(m. Bef 6 Oct 1356)
│ │ │
│ │ │ ┌── Johann I of Brandenburg (1213 - 4 Apr 1266)(m. 7 May 1255) =>
│ │ │ ┌── Heinrich I of Brandenburg (Abt 1260 - 14 Feb 1318 bur.Chorin Cloister, Chorin,
│ │ │ │ Brandenburg, Germany)(m. Aft Nov 1298 Nürnberg, Bavaria, Germany)
│ │ │ │ Brandenburg, Germany)(m. Aft Nov 1298 Nürnberg, Bavaria, Germany)
│ │ │ │ └── Jutta of Saxony ( - 23 Dec 1287)(m. 7 May 1255) =>
│ │ │ │
│ │ └── Sophia of Brandenburg (Abt 1300 - 1356)(m. Abt 1327)
│ │ │
│ │ │ ┌── Ludwig II of Bavaria (Heidelberg, Baden-Württemberg, Germany;13 Apr 1229 -
│ │ │ │ 1 Feb 1294)(m. Oct 1273 Aachen, Westphalia, Germany) =>
│ │ │ │ 1 Feb 1294)(m. Oct 1273 Aachen, Westphalia, Germany) =>
│ │ └── Agnes of Bavaria (Between 1276 and 1278 - 22 Jul 1345 Sangerhausen, Saxony-Anhalt,
│ │ Germany)(m. Aft Nov 1298 Nürnberg, Bavaria, Germany)
│ │ Germany)(m. Aft Nov 1298 Nürnberg, Bavaria, Germany)
│ │ └── Mathilde von Habsburg (Abt 1253 Rheinfelden, Aargau, Switzerland - 23 Dec 1304
│ │ Munich, Bavaria, Germany)(m. Oct 1273 Aachen, Westphalia, Germany) =>
│ │ Munich, Bavaria, Germany)(m. Oct 1273 Aachen, Westphalia, Germany) =>
│ │
└── Agnes of Brunswick-Lüneburg ( - 21 Mar 1410)(m. Bef 17 Aug 1372)
│
│ ┌── Bernhard I of Anhalt (Abt 1220 - Between 1286 and 1287) =>
│ ┌── Bernhard II of Anhalt ( - Aft 26 Dec 1323)(m. Bef 27 Dec 1302)
│ │ └── Sophie Abelsdatter of Denmark & S¢nderjylland (Abt 1240 - Aft 1284) =>
│ │
│ ┌── Bernhard III of Anhalt ( - 20 Aug 1348)(m. Abt 1339)
│ │ │
│ │ │ ┌── Wizlaw II of Rügen (1240 - 29 Dec 1302)(m. Between 1263 and 1265) =>
│ │ └── Helene of Rügen ( - 9 Aug 1315 bur.Wiederstedt Cloister, Saxony-Anhalt, Germany)
│ │ (m. Bef 27 Dec 1302)
│ │ └── Agnes of Brunswick-Lüneburg ( - 18 Mar 1302)(m. Between 1263 and 1265) =>
│ │
└── Katharina of Anhalt ( - 30 Jan 1390)(m. Bef 6 Oct 1356)
│
│ ┌── Siegfried I of Anhalt (Abt 1230 - Aft 25 Mar 1298)(m. Bef 17 Oct 1259) =>
│ ┌── Albrecht I of Anhalt ( - Between 17 Aug 1316 and 2 Mar 1317)(m. 1300)
│ │ └── Katarina of Sweden (1245 - ??)(m. Bef 17 Oct 1259) =>
│ │
└── Mathilde of Anhalt ( - Abt 1342)(m. Abt 1339)
│
└── Agnes of Brandenburg ( - 4 Jun 1330 bur.St. Nikolai, Zerbst, Saxony-Anhalt, Germany)
(m. 1300)
└── Konstancja of Poland (Between 1245 and 1246 - 10 Oct 1281)(m. 1260) =>