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Joan of France, Duchess of Brittany

Joan of France, Duchess of Brittany

Daughter of King Charles VI of France
The basics
Quick Facts
Intro Daughter of King Charles VI of France
Gender female
Birth 24 January 1391 (Melun, canton of Melun, arrondissement of Melun, Seine-et-Marne)
Death 27 September 1433 (Vannes, arrondissement of Vannes, Morbihan, Brittany)
Mother: Isabeau of Bavaria
Father: Charles VI of France
Siblings: Charles VII of FranceLouisDauphin of FranceDuke of GuyenneJohnDauphin of FranceDuke of TouraineCatherine of ValoisIsabella of ValoisMichelle of ValoisMargueritebâtarde de FranceMariePrioress of Poissy
Spouse: John VIDuke of Brittany
Children: Isabella of BrittanyFrancis IDuke of BrittanyPeter IIDuke of BrittanyGilles de Bretagne
The details

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


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.

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.
The marriage of John and Joan by Froissart.

Her most notable siblings were:

  • King Charles VII of France,
  • Catherine of Valois – she married King Henry V of England and was mother of King Henry VI of England),
  • Isabella of Valois – who married King Richard II of England, and
  • Michelle of Valois – she married Philip III, Duke of Burgundy.

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


The contents of this page are sourced from Wikipedia article. The contents are available under the CC BY-SA 4.0 license.
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