# Helmut Dannel
**Wikidata**: [Q124299556](https://www.wikidata.org/wiki/Q124299556)  
**Source**: https://4ort.xyz/entity/helmut-dannel


## References

1. Ancestry
2. Staatsarchiv Ludwigsburg
3. Landesarchiv Berlin
4. [German Federal Archives](https://invenio.bundesarchiv.de/invenio/direktlink/17544feb-10a2-47d6-83ec-ed726e7bf040/)
5. Integrated Authority File
6. FamilySearch
7. Alleged member of einzatskommando
8. marriage registry of Berlin