# Rudolf I

> Duke of Saxe-Wittenberg and first Elector of Saxony

**Wikidata**: [Q699820](https://www.wikidata.org/wiki/Q699820)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Rudolf_I,_Duke_of_Saxe-Wittenberg)  
**Source**: https://4ort.xyz/entity/rudolf-i-q699820


## References

1. The Peerage
2. Freebase Data Dumps. 2013
3. CERL Thesaurus
4. Sejm-Wielki.pl