Geoffrey I, Duke of Brittany
See also
Dukes of Brittany family tree

Geoffrey I, Duke of Brittany

Section Title: See also
Table Section Text: Dukes of Brittany family tree

Geoffrey I, Duke of Brittany House of RennesBorn: 980 Died: 20 November 1008

Regnal titles

Preceded by Conan I	Duke of Brittany 992–1008	Succeeded by Alan III & Odo I

Preceded by Conan I	Count of Rennes 992–1008	Succeeded by Alan III

Sentence(s)

In 992, Geoffrey I assumed the title of Duke of Brittany.

final_sentence: In 992, Geoffrey I assumed the title of Duke of Brittany.