# Otto I, Count of Oldenburg

> Peerage person ID=8393

**Wikidata**: [Q2039287](https://www.wikidata.org/wiki/Q2039287)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Otto_I,_Count_of_Oldenburg)  
**Source**: https://4ort.xyz/entity/otto-i-count-of-oldenburg


## References

1. The Peerage
2. Integrated Authority File
3. Catalog of the German National Library
4. CERL Thesaurus