# Francis I, Duke of Saxe-Lauenburg

> German duke

**Wikidata**: [Q553550](https://www.wikidata.org/wiki/Q553550)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Francis_I,_Duke_of_Saxe-Lauenburg)  
**Source**: https://4ort.xyz/entity/francis-i-duke-of-saxe-lauenburg


## References

1. Virtual International Authority File
2. Integrated Authority File
3. Répertoire International des Sources Musicales
4. The Peerage
5. Freebase Data Dumps. 2013
6. CERL Thesaurus
7. Sejm-Wielki.pl