Gerard Iv of Holstein-Plön
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| Dietrich of Oldenburg | |
| B: | Abt 1398 |
| D: | 14 Feb 1440 |
| Hedwig of Schleswig | |
| B: | 1398 |
| D: | 1436 |
| Christian V of Denmark | |
| B: | Bef 1347 |
| D: | 1423 |
| Conrad II of Oldenburg | |
| D: | 1401 |
| Gerard of Oldenburg | |
| D: | 1368 |
