# Frederick II, Duke of Upper Lorraine

> count of Bar and duke of Lorraine, co-reigning with his father from 1019

**Wikidata**: [Q700599](https://www.wikidata.org/wiki/Q700599)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Frederick_II,_Duke_of_Upper_Lorraine)  
**Source**: https://4ort.xyz/entity/frederick-ii-duke-of-upper-lorraine


## References

1. [Medieval Lands](http://fmg.ac/Projects/MedLands/LOTHARINGIA.htm)
2. Freebase Data Dumps. 2013
3. Sejm-Wielki.pl