# Robert de Ferrers, 6th Earl of Derby

> English noble

**Wikidata**: [Q3436643](https://www.wikidata.org/wiki/Q3436643)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Robert_de_Ferrers,_6th_Earl_of_Derby)  
**Source**: https://4ort.xyz/entity/robert-de-ferrers-6th-earl-of-derby


## References

1. The Peerage
2. [Foundation for Medieval Genealogy](http://fmg.ac/Projects/MedLands/ENGLISH%20NOBILITY%20MEDIEVAL1.htm#RobertFerrersDerbydied1279)
3. Genealogics
4. Freebase Data Dumps. 2013