# Geoffrey I, Duke of Brittany

> French noble

**Wikidata**: [Q465187](https://www.wikidata.org/wiki/Q465187)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Geoffrey_I,_Duke_of_Brittany)  
**Source**: https://4ort.xyz/entity/geoffrey-i-duke-of-brittany


## References

1. [Source](http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=GET&db=john_d_newport&id=I8868)
2. The Peerage
3. Freebase Data Dumps. 2013