# Dietrich IX, Count of Mark

> Count of the Mark

**Wikidata**: [Q464114](https://www.wikidata.org/wiki/Q464114)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Dietrich,_Count_of_Mark)  
**Source**: https://4ort.xyz/entity/dietrich-ix-count-of-mark


## References

1. The Peerage
2. Integrated Authority File
3. Freebase Data Dumps. 2013
4. CERL Thesaurus