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Male Francis I (Duke of Brittany) de Dreux Click to view Francis I (Duke of Brittany) de Dreux in the family tree

Francis I (Duke of Brittany) was born on May 11th, 1414.  Francis I (Duke of Brittany)'s father was John V (Peter) (Duke of Brittany) de Dreux and his mother was Joan de Valois of France.  His paternal grandparents were John IV (5th Duke of Brittany) de Dreux and Joanne of Navarra; his maternal grandparents were Charles VI "Le Bien-Aimee" FRANCE and Isabelle Wittelsbach, of Bavaria. He had a brother named Peter II (Duke of Brittany).  He died at the age of 36 on July 17th, 1450.


Francis I (Duke of Brittany)'s family with Isabel (Princess) Stewart

‌Francis I (Duke of Brittany) and Isabel (Princess) were married in a religious ceremony on October 30th, 1442.  They had two daughters named Margaret (of Brittany) and Marie Brittany).

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