Geoffrey I of Brittany, Duke of Brittany

980 - 1008  (~ 28 years)

• Name	Geoffrey I of Brittany  [1, 2]
  Suffix	Duke of Brittany
  Birth	Abt. 980  [1]
  Gender	Male
  Death	1008  [1]
  Person ID	I231	Trastámara Genealogy
  Last Modified	22 Jan 2025

  
  

  Father	Conan I of Rennes, Duke of Brittany   d. 27 Jun 992, Conquereuil, Loire-Atlantique, Pays de la Loire, France
  Mother	Ermengarde-Gerberga of Anjou, Countess of Rennes,   b. Abt. 956   d. Abt. 1024 (Age ~ 68 years)
  Marriage	973  [2]
  Family ID	F96	Group Sheet  |  Family Chart

  
  

• Sources

  [S24] "Conan I of Rennes," Wikipedia, last modified 9 Jul 2023, https://en.wikipedia.org/wiki/Conan_I_of_Rennes. [S26] "Ermengarde-Gerberga of Anjou," Wikipedia, last modified 12 Aug 2024, https://en.wikipedia.org/wiki/Ermengarde-Gerberga_of_Anjou.