# William Sinclair of Rattar, 10th Earl of Caithness

> Scottish peer

**Wikidata**: [Q75532585](https://www.wikidata.org/wiki/Q75532585)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/William_Sinclair,_10th_Earl_of_Caithness)  
**Source**: https://4ort.xyz/entity/william-sinclair-of-rattar-10th-earl-of-caithness


## References

1. The Peerage
2. Genealogics
3. Faceted Application of Subject Terminology