# Ethel Elisabeth Olga Mary Gräfin von Rietberg

> (1928-1999)

**Wikidata**: [Q75373466](https://www.wikidata.org/wiki/Q75373466)  
**Source**: https://4ort.xyz/entity/ethel-elisabeth-olga-mary-gr-fin-von-rietberg


## References

1. The Peerage
2. [Source](https://man8rove.com/en/profile/sl4a9qf9-elisabeth-von-rietberg)
3. Sejm-Wielki.pl