Nielsen Hayden genealogy
Konstancja of Poland

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- 1 Konstancja of Poland [1] b. Between 1245 and 1246 d. 10 Oct 1281
Konrad I b. Between 1236 and 1245 d. Between 15 Mar 1304 and 21 May 1304
- 2 Agnes of Brandenburg [1.1]
d. 4 Jun 1330
Albrecht I of Anhalt d. Between 17 Aug 1316 and 2 Mar 1317
- 3 Mathilde of Anhalt [1.1.1]
d. Abt 1342
Bernhard III of Anhalt d. 20 Aug 1348
- 4 Katharina of Anhalt [1.1.1.1]
d. 30 Jan 1390
Magnus II of Brunswick b. Abt 1328 d. 25 Jul 1373
- 5 Agnes of Brunswick-Lüneburg [1.1.1.1.1]
d. 21 Mar 1410
Albrecht I of Brunswick b. Abt 1339 d. Between 11 Aug 1383 and 22 Sep 1383
- 6 Erich of Brunswick [1.1.1.1.1.1]
d. 28 May 1427
Elizabeth of Brunswick-Göttingen d. Aft 29 Sep 1444
- 7 Anna of Brunswick-Grubenhagen [1.1.1.1.1.1.1]
b. Abt 1420 d. 9 Oct 1474
Albrecht III of Bavaria b. 27 Mar 1401 d. 29 Feb 1460
- 8 Elisabeth of Bavaria [1.1.1.1.1.1.1.1]
b. 1383 d. 13 Nov 1442 [ =>]
- 8 Elisabeth of Bavaria [1.1.1.1.1.1.1.1]
- 7 Anna of Brunswick-Grubenhagen [1.1.1.1.1.1.1]
- 6 Erich of Brunswick [1.1.1.1.1.1]
- 5 Elisabeth of Brunswick-Lüneburg [1.1.1.1.2]
b. Abt 1370 d. Bef 3 Apr 1422
Gerhard V of Holstein b. Abt 1367 d. 5 Aug 1404
- 6 Heilwig of Holstein [1.1.1.1.2.1]
b. 1398 d. Bef 11 Nov 1436
Dietrich of Oldenburg d. 14 Feb 1440
- 7 Christian I, King of Denmark, Norway, and Sweden [1.1.1.1.2.1.1]
b. Feb 1426 d. 21 Mar 1481
Dorothea of Brandenburg b. 1430 d. 10 Nov 1495
- 8 Margaret of Denmark [1.1.1.1.2.1.1.1]
b. 23 Jun 1456 d. 14 Jul 1486 [ =>]
- 8 Margaret of Denmark [1.1.1.1.2.1.1.1]
- 7 Christian I, King of Denmark, Norway, and Sweden [1.1.1.1.2.1.1]
- 6 Heilwig of Holstein [1.1.1.1.2.1]
- 5 Agnes of Brunswick-Lüneburg [1.1.1.1.1]
- 4 Katharina of Anhalt [1.1.1.1]
- 3 Mathilde of Anhalt [1.1.1]
- 2 Agnes of Brandenburg [1.1]