# Marie-Erika Gräfin von Hardenberg

> (1903-1964)

**Wikidata**: [Q75304722](https://www.wikidata.org/wiki/Q75304722)  
**Source**: https://4ort.xyz/entity/marie-erika-gr-fin-von-hardenberg


## References

1. The Peerage
2. Find a Grave