Nielsen Hayden genealogy
Descendants of Erik X Knutsson, King of Sweden
Abt 1180 - 1216 (~ 36 years)Father: Canute I Eriksson, King of Sweden ( - 1196)
Erik X Knutsson, King of Sweden (Abt 1180 - 10 Apr 1216)
Richiza of Denmark ( - 8 May 1220 bur.Ringsted, Zealand, Denmark)(m. 1210)
   └─ Ingeborg Eriksdotter (Abt 1212 - 1254)
    Birger Magnusson (Abt 1200 - 21 Oct 1266)(m. Abt 1235)
       ├─ Richeza Birgersdotter ( - Bef 13 Dec 1288)
       │ Heinrich I of Werle (Abt 1235 - 8 Oct 1291)(m. 1262)
       │    └─ Richza of Werle ( - Aft 2 Oct 1312 bur.Göttingen, Lower Saxony, Germany)
       │     Albrecht II of Brunswick (Abt 1268 -
       │     22 Sep 1318 bur.Brunswick Cathedral, Braunschweig, Lower Saxony, Germany)(m. 10 Jan 1284)
       │     22 Sep 1318 bur.Brunswick Cathedral, Braunschweig, Lower Saxony, Germany)(m. 10 Jan 1284)
       │        ├─ Magnus I of Brunswick (Abt 1304 -
       │        │ Between 15 Jun 1369 and 15 Aug 1369 bur.St. Michaelis, Lüneberg, Lower Saxony, Germany)
       │        │ Between 15 Jun 1369 and 15 Aug 1369 bur.St. Michaelis, Lüneberg, Lower Saxony, Germany)
       │        │ Sophia of Brandenburg (Abt 1300 - 1356)(m. Abt 1327)
       │        │    ├─ Sophie of Brunswick ( - 1394)
       │        │    │ Dietrich IV of Honstein ( - Between 1378 and 1379)(m. Aft 1350)
       │        │    │    └─ Agnes of Honstein (Abt 1360 - 1 Sep 1407)
       │        │    │     Christian V of Oldenburg ( - Between 10 Nov 1399 and 22 Apr 1403)
       │        │    │     (m. Bef 29 Aug 1377)
       │        │    │     (m. Bef 29 Aug 1377)
       │        │    │        └─ Dietrich of Oldenburg ( - 14 Feb 1440 Delmenhorst, Lower Saxony, Germany) =>
       │        │    │         + Heilwig of Holstein (1398 - Bef 11 Nov 1436 bur.Oldenburg, Lower Saxony,
       │        │    │         Germany)(m. 23 Nov 1423)
       │        │    │         Germany)(m. 23 Nov 1423)
       │        │    └─ Magnus II of Brunswick (Abt 1328 - 25 Jul 1373 Leveste, Lower Saxony, Germany)
       │        │     Katharina of Anhalt ( - 30 Jan 1390)(m. Bef 6 Oct 1356)
       │        │        ├─ Agnes of Brunswick-Lüneburg ( - 21 Mar 1410)
       │        │        │ Albrecht I of Brunswick (Abt 1339 - Between 11 Aug 1383 and 22 Sep 1383
       │        │        │ Salzderhelden, Lower Saxony, Germany)(m. Bef 17 Aug 1372)
       │        │        │ Salzderhelden, Lower Saxony, Germany)(m. Bef 17 Aug 1372)
       │        │        │    └─ Erich of Brunswick ( - 28 May 1427 bur.St. Alexander, Einbeck, Lower
       │        │        │     Saxony, germany) =>
       │        │        │     Saxony, germany) =>
       │        │        │     + Elizabeth of Brunswick-Göttingen ( - Aft 29 Sep 1444)
       │        │        │     (m. Between 1 Jul 1405 and 14 Jul 1405)
       │        │        │     (m. Between 1 Jul 1405 and 14 Jul 1405)
       │        │        └─ Elisabeth of Brunswick-Lüneburg (Abt 1370 - Bef 3 Apr 1422)
       │        │         Gerhard V of Holstein (Abt 1367 - 5 Aug 1404 Suderhamme, Dithmarschen)(m. 1395)
       │        │            └─ Heilwig of Holstein (1398 - Bef 11 Nov 1436 bur.Oldenburg, Lower Saxony,
       │        │             Germany) =>
       │        │             Germany) =>
       │        │             + Dietrich of Oldenburg ( - 14 Feb 1440 Delmenhorst, Lower Saxony, Germany)
       │        │             (m. 23 Nov 1423)
       │        │             (m. 23 Nov 1423)
       │        └─ Ernst of Brunswick (1305 - 24 Apr 1367)
       │         Elizabeth von Hessen ( - 7 Mar 1390)(m. 1339)
       │            └─ Otto of Brunswick (Abt 1340 - 13 Dec 1394 Hardegsen, Lower Saxony, Germany)
       │             Margareta of Jülich (Abt 1364 - 18 Jun 1442 Hardegsen, Lower Saxony, Germany)
       │             (m. Bef 24 Jun 1379)
       │             (m. Bef 24 Jun 1379)
       │                └─ Elizabeth of Brunswick-Göttingen ( - Aft 29 Sep 1444)
       │                 Erich of Brunswick ( - 28 May 1427 bur.St. Alexander, Einbeck, Lower Saxony,
       │                 germany)(m. Between 1 Jul 1405 and 14 Jul 1405)
       │                 germany)(m. Between 1 Jul 1405 and 14 Jul 1405)
       │                    └─ Anna of Brunswick-Grubenhagen (Abt 1420 -
       │                     9 Oct 1474 Nannhofen, Bavaria, Germany)
       │                     9 Oct 1474 Nannhofen, Bavaria, Germany)
       │                     + Albrecht III of Bavaria (Munich, Bavaria, Germany;27 Mar 1401 - 29 Feb 1460)
       │                     (m. 22 Jan 1437 Munich, Bavaria, Germany)
       │                     (m. 22 Jan 1437 Munich, Bavaria, Germany)
       ├─ Valdemar Birgersson, King of Sweden (1237 - 26 Dec 1302)
       │ Sofia of Denmark, Queen Consort of Sweden (Abt 1241 - 1286)(m. 1260)
       │    └─ Ingeborg of Sweden ( - Bef 1293)
       │     Gerhard II of Holstein (Bef 1 Nov 1253 - 25 Oct 1312 bur.Hamburg Cathedral, Hamburg, Germany)
       │     (m. 12 Dec 1275 Lödöse, Sweden)
       │     (m. 12 Dec 1275 Lödöse, Sweden)
       │        └─ Gerard IV of Holstein ( - 1317)
       │         Anastasia of Schwerin-Wittenburg ( - Aft 7 Jun 1314)(m. Between 30 Jul 1313 and 21 Oct 1313)
       │            └─ Ingeborg of Holstein (Between 1314 and 1317 - Aft 1342)
       │             Konrad I of Oldenburg ( - Bef 9 Feb 1348)(m. Bef 13 May 1339)
       │                └─ Christian V of Oldenburg ( - Between 10 Nov 1399 and 22 Apr 1403)
       │                 Agnes of Honstein (Abt 1360 - 1 Sep 1407)(m. Bef 29 Aug 1377)
       │                    └─ This couple were related to each other. Any descendants have been already
       │                     been listed
       │                     been listed
       └─ Katarina of Sweden (1245 - ??)
        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)
            Agnes of Brandenburg ( - 4 Jun 1330 bur.St. Nikolai, Zerbst, Saxony-Anhalt, Germany)(m. 1300)
               └─ Mathilde of Anhalt ( - Abt 1342)
                Bernhard III of Anhalt ( - 20 Aug 1348)(m. Abt 1339)
                   └─ Katharina of Anhalt ( - 30 Jan 1390)
                    Magnus II of Brunswick (Abt 1328 - 25 Jul 1373 Leveste, Lower Saxony, Germany)
                    (m. Bef 6 Oct 1356)
                    (m. Bef 6 Oct 1356)
                       └─ This couple were related to each other. Any descendants have been already
                        been listed
                        been listed