# Soběslav I, Duke of Bohemia

> Duke of Bohemia from 1125 to 1140

**Wikidata**: [Q506071](https://www.wikidata.org/wiki/Q506071)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Soběslav_I,_Duke_of_Bohemia)  
**Source**: https://4ort.xyz/entity/sob-slav-i-duke-of-bohemia


## References

1. The Peerage
2. Integrated Authority File
3. International Standard Name Identifier
4. Encyclopedia of Brno History
5. Czech National Authority Database
6. Freebase Data Dumps. 2013
7. Treccani's Enciclopedia on line
8. Sejm-Wielki.pl
9. Bibliography of the History of the Czech Lands