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Joan of France, Duchess of Brittany

From Wikipedia, the free encyclopedia

Joan of Valois
Joan of France (1391–1433).jpg
Duchess of Brittany
Tenure1 November 1399 – 27 September 1433
Born24 January 1391
Château de Melun, Seine-et-Marne, Kingdom of France
Died27 September 1433(1433-09-27) (aged 42)
Vannes, Morbihan, Duchy of Brittany
Isabelle, Countess of Laval
Francis I, Duke of Brittany
Peter II, Duke of Brittany
Gilles, Lord of Chantocé
FatherCharles VI of France
MotherIsabeau of Bavaria
ReligionRoman Catholicism

Joan of France (French: Jeanne; 24 January 1391 – 27 September 1433) was Duchess of Brittany by marriage to John V. She was a daughter of Charles VI of France and Isabeau of Bavaria.

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The marriage of John and Joan by Froissart.
The marriage of John and Joan by Froissart.

Joan married John V, Duke of Brittany, in 1396. Three years after the wedding, her spouse became duke and she duchess of Brittany.

As duchess, Joan is perhaps most known for her role during the conflict between John V and the Counts of Penthièvre. The Penthièvre branch had lost the Breton War of Succession in the 1340s. As a result, they lost the ducal title of Brittany to the Montforts. The conclusion to the conflict took many years to confirm until 1365 when the Treaty of Guérande was signed. Despite the military loss and the diplomatic treaty, the Counts of Penthièvre had not renounced their ducal claims to Brittany and continued to pursue them. In 1420, they invited John V to a festival held at Châtonceaux. He accepted the invitation, but when he arrived, he was captured and kept prisoner.

The Counts of Penthiève then spread rumours of his death, and moved him to a new prison each day. Joan of France called upon all the barons of Brittany to respond. They besieged all the castles of the Penthièvre family one by one. Joan ended the conflict by seizing the dowager countess of Penthièvre, Margaret of Clisson, and forcing her to have the duke freed.

Joan died in 1433, during her husband's reign.

A Book of Hours by the Bedford Master, Heures Lamoignon, was dedicated to her.


She had seven children:

  • Anne (1409 – c. 1415)
  • Isabella (1411 – c. 1442), who in 1435 married Guy XIV of Laval and had 3 children with him.
  • Margaret (1412 – c. 1421)
  • Francis I (1414 – c. 1450), duke of Brittany
  • Catherine (1416 – c. 1421)
  • Peter II (1418 – c. 1457), duke of Brittany
  • Gilles (1420 – c. 1450), seigneur of Chantocé.


Preceded by
Joanna of Navarre
Duchess consort of Brittany
Succeeded by
Isabella of Scotland
This page was last edited on 2 May 2021, at 14:30
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