Nielsen Hayden genealogy
Johann I of Oldenburg
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- 1 Johann I of Oldenburg [1] b. Abt 1204 d. Abt 1270
Richza d. Bef 1270
- 2 Christian IV of Oldenburg [1.1]
b. Abt 1228 d. Between 27 Nov 1285 and 3 Feb 1287
Jutta of Bentheim d. Bef 1287
- 3 Johann II of Oldenburg [1.1.1]
b. Abt 1270 d. Bef 6 Dec 1316
Hedwig of Diepholz
- 4 Konrad I of Oldenburg [1.1.1.1]
d. Bef 9 Feb 1348
[ =>]
- 4 Konrad I of Oldenburg [1.1.1.1]
- 3 Johann II of Oldenburg [1.1.1]
- 2 Christian IV of Oldenburg [1.1]