# Princess Helene of Waldeck and Pyrmont

> Hereditary Grand Duchess of Oldenburg (1899–1948)

**Wikidata**: [Q2280905](https://www.wikidata.org/wiki/Q2280905)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Princess_Helena_of_Waldeck_and_Pyrmont_(1899–1948))  
**Source**: https://4ort.xyz/entity/princess-helene-of-waldeck-and-pyrmont


## References

1. The Peerage