# Ulrich XI, Count of Helfenstein

> German count at Wiesensteig

**Wikidata**: [Q61140013](https://www.wikidata.org/wiki/Q61140013)  
**Source**: https://4ort.xyz/entity/ulrich-xi-count-of-helfenstein


## References

1. Integrated Authority File
2. Genealogics
3. Catalog of the German National Library
4. Willibald Pirckheimers Briefwechsel