# Frederick, Duke of Bohemia

> Duke of Bohemia (c. 1142 – 1189)

**Wikidata**: [Q703833](https://www.wikidata.org/wiki/Q703833)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Frederick,_Duke_of_Bohemia)  
**Source**: https://4ort.xyz/entity/frederick-duke-of-bohemia


## References

1. Integrated Authority File
2. The Peerage
3. [Source](https://pantheon.world/profile/person/Frederick,_Duke_of_Bohemia)
4. Freebase Data Dumps. 2013
5. CERL Thesaurus
6. Sejm-Wielki.pl
7. [Bibliography of the History of the Czech Lands](https://biblio.hiu.cas.cz/records/c64aad5c-f7e1-4b0f-a4d2-7362c9f28abd)