Joan of France, Duchess of Brittany

Joan of Valois
Duchess of Brittany
Tenure 1 November 139927 September 1433
Spouse John VI, Duke of Brittany
Issue Anne
Isabelle, Countess of Laval
Margaret
Francis I
Catherine
Peter II, Duke of Brittany
Gilles, Lord of Chantocé
House House of Valois
Father Charles VI of France
Mother Isabeau of Bavaria
Born 24 January 1391
Château de Melun, Seine-et-Marne, Kingdom of France
Died 27 September 1433 (aged 42)
Vannes, Morbihan, Duchy of Brittany
Burial Vannes Cathedral
Religion Roman Catholicism

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

Abduction of John VI by the Counts of Penthièvre

The Counts of Penthièvre 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 VI to a festival held at Châtonceaux. John came and was arrested. 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 by seizing the dowager countess of Penthièvre, Margaret of Clisson, forcing her to have the duke freed.

Family

Joan was mother to two Dukes of Brittany. She also had notable siblings.

In 1396 Joan married John VI, Duke of Brittany. Together they had seven children:

The marriage of John and Joan by Froissart.

Her most notable siblings were:

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

Ancestry

Source

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Preceded by
Joanna of Navarre
Duchess consort of Brittany
1399-1433
Succeeded by
Isabella of Scotland