John I Duke of Brittany De Dreux
Birth date:
1217
Birth place:
Rennes, Ille-Et-Vilaine, Bretagne, France
 
Death date:
  8 OCT 1286
Death place:
  Lisle, Dordogne, Aquitaine, France

De Dreux Family

Parents:
Father: Pierre I Mauclerc Count of Brittany DeDreux
Mother: Alice DeThouars
Spouse:
Spouse: Blanche de Navarre de Champagne
 
Siblings:
John I Duke of Brittany De Dreux
Children:
Jean or John II Duke of Brittany Earl of Richmond De Dreux