Geoffrey I de Rennes,
Birth date:
ABT 980
Birth place:
Rennes, Bretagne, , France
 
Death date:
  20 NOV 1028
Death place:
  Nantes, Loire Atlantique, Anjou, France

de Rennes, Family

Parents:
Father: Conan I de Rennes,
Mother: Ermengarde D Anjou
Spouse:
Spouse: Hedwig (Hawise) de Normandie,
 
Siblings:
Geoffrey I de Rennes,
Judicael de Porhoet
Juetta of Brittany,
Children:
Alain III,
Eudes Penthievre,
William Ramsay
Geoffroy II de Bretagne,
Robert de Lovel
Emma de Bretagne,