Otto von Oldenburg919–
- Name
- Otto von Oldenburg
| Birth | estimated as close to sibling(s) about 919 19 61 |
| Family with parents |
| father |
Sigfried I. von Oldenburg Birth: 900 — Altenburg, Altenburger Land, Thüringen, Germany |
| mother |
Ludmilla von Ringelheim Birth: 858 |
| elder brother |
Sigfried von Oldenburg Birth: about 917 17 59 — Oldenburg |
|
3 years himself |
Otto von Oldenburg Birth: estimated as close to sibling(s) — about 919 19 61 |