# Otto II the Black

> Duke of Brno

**Wikidata**: [Q1794340](https://www.wikidata.org/wiki/Q1794340)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Otto_II_the_Black)  
**Source**: https://4ort.xyz/entity/otto-ii-the-black


## References

1. Freebase Data Dumps. 2013
2. Sejm-Wielki.pl