John V, Duke of Brittany

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John V
Sceau de Jean V - Duc de Bretagne.png
Duke of Brittany; Count of Montfort
Reign 1 November 1399 – 29 August 1442
Coronation 28 March 1402
Predecessor John IV
Successor Francis I
Born 24 December 1389
Château de l'Hermine
Died 29 August 1442(1442-08-29) (aged 52)
Manoir de La Touche
Burial Notre
Spouse Joan of France
Issue Anne
Isabelle, Countess of Laval
Margaret
Francis I, Duke of Brittany
Catherine
Peter II, Duke of Brittany
Gilles, Lord of Chantocé
House Montfort
Father John IV
Mother Joan of Navarre
Religion Roman Catholicism

John V the Wise (in Breton, Yann V ar Fur, in French Jean V le Sage, and traditionally in English sources John VI) (24 December 1389 – 29 August 1442), was duke of Brittany, count of Montfort, and titular earl of Richmond, from 1399 to his death. He is known for creating the Lycée Lesage in Vannes.

Life[edit]

John V was born on 24 December 1389 at the Château de l'Hermine as the eldest son of John IV, Duke of Brittany and Joan of Navarre. He became Duke of Brittany in 1399 when he was still a minor upon the death of his father. His mother served as regent in the initial portion of his reign.[a]

Unlike his father, John V inherited the duchy in peace, as the end of the Breton War of Succession and John IV's military conquests in Brittany promised. However, his father's rivals for the duchy, the Pentheiveres, continued to plot against him. Furthermore, John had to secure the peace of the duchy during an unstable period culminating in King Henry V of England's invasion of France.

Early career[edit]

He became duke at the age of ten, and began his reign under the tutelage of Duke of Burgundy, Philip the Bold, who was ravaging nearby Jersey and Guernsey. He made peace with the king of France, Charles VI, whose daughter, Joan of France, he married. He also reconciled with the powerful magnate Olivier de Clisson, formerly an enemy of his father. In 1404, he defeated a French force near Brest. A potential conflict with Clisson was averted by the latter's death.

Brittany shown in English Territories circa 1428

When Henry V invaded France, John was initially allied to the French. However, he missed the Battle of Agincourt. His brother Arthur de Richemont participated, though, and was captured and imprisoned by the English. The confusion in the aftermath of the battle allowed John to seize Saint-Malo which had been annexed by the French. He then adopted a policy of switching between the two parties, English and French. He signed the Treaty of Troyes, which made Henry V heir to France, but he allowed his brother Arthur de Richemont to fight for the French.

Abduction by the Counts of Penthièvre[edit]

The Counts of Penthièvre had lost the Breton War of Succession (1341–1364) in which they had claimed the ducal title of Brittany from John's grandfather, John of Montfort. The war ended in 1364 in a military victory for John's father, in which the Penthièvre claimant, Charles of Blois, died. His widow, Joanna, Countess of Penthièvre, was forced to sign the Treaty of Guérande which concluded the conflict. The treaty stated that Penthièvres accepted the Montforts's right to the dukedom, but if they failed to produce a male heir the duchy would revert to the Penthièvres.

Despite the military loss and the diplomatic treaty, the Counts of Penthièvre had not renounced their direct ducal claims to Brittany and continued to pursue them. In 1420, they invited John V to a festival held at Châtonceaux. John came and was arrested. The count and countess of Penthièvre then spread rumours of his death and moved him to a new prison each day. John V's wife, 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 crisis by seizing the dowager countess of Penthièvre, Margaret of Clisson, forcing Margaret to have the duke freed. After the release, the Châtonceaux citadel was completely destroyed and the name changed to Champtoceaux. As a result of this failed imprisonment, in 1420 the heirs of Joanna, Countess of Penthièvre surrendered Penthièvre to the Duke. This ended the element of the Treaty of Guérande that was designed to favor Joanna and her heirs. The Montforts declared that the treaty had been broken, and so they were now no longer obliged to ever surrender the duchy to the Penthièvres under its terms. This ensured that Anne of Brittany succeeded to the duchy later in the century.

Policy in the Hundred Years' War[edit]

After the English defeat at the Battle of Baugé, John V ditched his allies by signing a treaty with the Dauphin Charles at Sablé on May 1421. Some of its provisions were that John would abandon his commitments to the English, while Charles would dismiss his councillors who had advised him to support the Penthièvre revolt. Initial Breton military support to Charles proved significant: in the Dauphin's Loire valley campaign in the summer of 1421, the duchy provided more than a third of his army, about the same as the Scots[1]. However, the agreement was soon undermined, as both parties failed to completely fulfill their promises. Furthermore, the release of John's brother Arthur from English captivity, along with subsequent English military successes (particularly at the Siege of Meaux), convinced John to once again reverse his allegiance, by signing the Treaty of Amiens (1423) with England and Burgundy.

The Amiens agreement also proved ephemeral. Brittany and Burgundy had secretly agreed to maintain good relations with each other if any of them abandoned the English. Arthur de Richemont soon defected to the Dauphin, and was made Constable of France. The duke of Brittany was convinced to do the same; by signing the Treaty of Saumur on 7 October 1425, John V once again allied with Charles, to which England responded with a formal declaration of war on 15 January 1426. An English incursion into Breton territory led by Sir Thomas Rempston was subsequently made. After failing to defeat the much smaller English force at the Battle of St. James, and now under threat of a full-scale assault[2] by the English, John V once again reconciled with them by adhering to yet another agreement on 8 September 1427, on which he reaffirmed his support for the Treaty of Troyes and recognised Henry VI of England as king of France. As a gesture of allegiance to the Anglo-French dual monarchy, he sent his younger and favourite son Gilles to England to grow up in Henry's household. Gilles and Henry would become close friends over time.[3] Richemont would remain committed to the Dauphin's cause for the rest of the war, however, though John V's defection in 1427 contributed to the former's expulsion from the French court.

John's allegiance with England had remained fickle and became ambiguous in the early 1430s, especially due to clashes between English and Breton sailors, though relations were kept afloat due to lengthy negotiations and a growing friendship between King Henry VI and the duke's younger son Gilles. Even after the Anglo-Burgundian alliance ended in 1435, he remained formally aligned to the English cause, though in effect adopting a policy of careful neutrality, attempting to become friendly with the French and willing to broker a peace between both parties[4]. However, John took part in the Praguerie revolt in 1440 against Charles VII, and signed a neutrality agreement on 11 July 1440 with the English, by which he promised not to give shelter to England's enemies.

Relations between England and Brittany eventually collapsed due to bad diplomacy and English raids into Breton territory in 1443 and 1449. Consequent political maneuvers resulted in the murder of John V's Anglophile younger son Gilles on 24 April 1450. When a truce between the French and English was arranged at the Treaty of Tours in 1444, Brittany was not listed by the English as an ally[5]. By then, John V had already died, and his son and successor Francis I would subsequently pay homage to Charles VII on 16 March 1446, thereby formally ending any Breton support for the English.

Later life[edit]

Effigy of John V in Tréguier Cathedral

While captured by the English, John II, Duke of Alençon had sold his fiefdom of Fougères to John V in order to raise the ransom for his release. After Alençon's release, his attempts to recover his territories led to conflict. John surrounded Alençon's fortress during the Siege of Pouancé (1432). Arthur de Richemont, his brother, who accompanied him, induced him to make peace.

Working with Bishop Jean de Malestroit, he began the construction of a new cathedral in Nantes, placing the first stone in April 1434.[6]

He died on 29 August 1442, at the Manoir de la Touche, owned by the Bishop of Nantes.

A statue of the Duke of polychrome wood is in the chapel of Saint-Fiacre in Faouët. His tomb in Tréguier cathedral was destroyed. It was replaced by a new one in the 20th century.

Family[edit]

John V married Joan of France, daughter of King Charles VI "the Mad" and his wife Isabeau of Bavaria. By her he had seven children:

Succession[edit]

John V died in 1442 and was succeeded by his eldest son, Francis, as Duke of Brittany.

Ancestry[edit]

Footnotes[edit]

  1. ^ Sumption, Jonathan (2017). The Hundred Years War. 4: Cursed Kings (reprint ed.). University of Pennsylvania Press. p. 760. 
  2. ^ Barker, Juliet R.V. (2012). Conquest: the English Kingdom of France 1417–1450. Cambridge, Massachusetts: Harvard University Press. p. 89. 
  3. ^ Grummitt, David (2015). Henry VI. Routledge. p. 149. 
  4. ^ Wagner, John A. (2006). Encyclopedia of the Hundred Years' War. Greenwood. p. 183. 
  5. ^ "Conquest: The English Kingdom of France 1417-1450" (2010) by Juliet Barker, chapter 21
  6. ^ JB Russon and D. Duret, La cathédrale de Nantes, Roumegoux, Savenay, 1933, 145 p. , p. 37.
  7. ^ Diane E. Booton, Manuscripts, Market and the Transition to Print in Late Medieval Brittany, (Ashgate Publishing, 2010), 147.
  1. ^ Joan eventually married Henry IV, King of England to become Queen Consort of England.


See also[edit]

John V, Duke of Brittany
Regnal titles
Preceded by
John IV
Duke of Brittany
Count of Montfort

1399–1442
Succeeded by
Francis I
Peerage of England
Preceded by
John IV
as recognised earl
— TITULAR —
Earl of Richmond
1399–1442
Succeeded by
Francis I