# Otto II Wittelsbach

> Duke of Bavaria from 1231 to 1253

**Wikidata**: [Q697412](https://www.wikidata.org/wiki/Q697412)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Otto_II,_Duke_of_Bavaria)  
**Source**: https://4ort.xyz/entity/otto-ii-wittelsbach


## References

1. Integrated Authority File
2. Source
3. The Peerage
4. Freebase Data Dumps. 2013
5. Sejm-Wielki.pl