# Robert Southwell, 6th Viscount Southwell of Castle Mattress

> Royal Navy commander

**Wikidata**: [Q47008126](https://www.wikidata.org/wiki/Q47008126)  
**Source**: https://4ort.xyz/entity/robert-southwell-6th-viscount-southwell-of-castle-mattress


## References

1. The Peerage
2. Dreadnought Project