# George Spencer, 4th Duke of Marlborough

> British Duke (1739-1817)

**Wikidata**: [Q335825](https://www.wikidata.org/wiki/Q335825)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/George_Spencer,_4th_Duke_of_Marlborough)  
**Source**: https://4ort.xyz/entity/george-spencer-4th-duke-of-marlborough


## References

1. Genealogics
2. Virtual International Authority File
3. BnF authorities
4. Source
5. The Peerage
6. International Standard Name Identifier
7. SNAC
8. Freebase Data Dumps. 2013
9. Integrated Authority File
10. [BnF authorities](http://data.bnf.fr/ark:/12148/cb161713162)
11. CERL Thesaurus