# Otto I of Nassau

> Count of Nassau (1251-1289/90)

**Wikidata**: [Q462493](https://www.wikidata.org/wiki/Q462493)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Otto_I,_Count_of_Nassau)  
**Source**: https://4ort.xyz/entity/otto-i-of-nassau


## References

1. Medieval Lands
2. Otto I. (Graf von Nassau)
3. Genealogie van het Vorstenhuis Nassau
4. Het Vorstenhuis Oranje-Nassau
5. Europäische Stammtafeln
6. Integrated Authority File
7. Schloss und Stadt Dillenburg
8. Virtual International Authority File
9. Freebase Data Dumps. 2013
10. CERL Thesaurus
11. [Prima Divisio, 16 december 1255. 1255](https://www.koninklijkeverzamelingen.nl/collectie-online/detail/9ad22a96-c05d-542b-aa48-a4ec0350ab96)