# Ottokar IV, Duke of Styria

> Margrave of Styria from 1164 and Duke from 1180, when Styria, previously a margraviate subordinated to the stem duchy of Bavaria, was raised to the status of an independent duchy

**Wikidata**: [Q701617](https://www.wikidata.org/wiki/Q701617)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Ottokar_IV,_Duke_of_Styria)  
**Source**: https://4ort.xyz/entity/ottokar-iv-duke-of-styria


## References

1. Integrated Authority File
2. CERL Thesaurus
3. Virtual International Authority File
4. Freebase Data Dumps. 2013