# John de Berkeley, 2nd Baron Marmion

> Peerage person ID=41778

**Wikidata**: [Q75290468](https://www.wikidata.org/wiki/Q75290468)  
**Source**: https://4ort.xyz/entity/john-de-berkeley-2nd-baron-marmion


## References

1. The Peerage
2. Genealogics
3. WikiTree