Nielsen Hayden genealogy
Johann I von Mecklenburg
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- 1 Johann I von Mecklenburg [1] b. Abt 1211 d. 1 Aug 1264
Luitgard von Henneberg d. Bef 14 Jun 1267
- 2 Elizabeth von Mecklenburg [1.1]
d. Bef 6 Feb 1280
Gerhard I of Holstein b. 1232 d. 21 Dec 1290
- 3 Gerhard II of Holstein [1.1.1]
b. Bef 1 Nov 1253 d. 25 Oct 1312
Ingeborg of Sweden d. Bef 1293
- 4 Gerard IV of Holstein [1.1.1.1]
d. 1317 [ =>]
- 4 Gerard IV of Holstein [1.1.1.1]
- 3 Heinrich I of Holstein [1.1.2]
b. Between 1255 and 1260 d. 5 Aug 1304
Heilwig von Bronkhorst d. Bef 1331
- 4 Gerhard III of Holstein [1.1.2.1]
b. Abt 1293 d. 1 Apr 1340 [ =>]
- 4 Gerhard III of Holstein [1.1.2.1]
- 3 Gerhard II of Holstein [1.1.1]
- 2 Heinrich I von Mecklenburg [1.2]
b. Abt 1230 d. 2 Jan 1302
Anastasia of Pomerania b. Abt 1245 d. 15 Mar 1317
- 3 Heinrich II of Mecklenburg [1.2.1]
b. Abt 1267 d. 21 Jan 1329
Anna of Saxe-Wittenberg d. 22 Nov 1327
- 4 Ingeburg of Mecklenburg [1.2.1.1]
d. Aft 25 Jul 1395 [ =>]
- 4 Ingeburg of Mecklenburg [1.2.1.1]
- 3 Heinrich II of Mecklenburg [1.2.1]
- 2 Elizabeth von Mecklenburg [1.1]