John IV (15 October 1396 – 5 November 1450) was a Count of Armagnac, Fézensac, and Rodez from 1418 to 1450. He was involved in the intrigues related to the

Hundred Years' War The Hundred Years' War (; 1337–1453) was a conflict between the kingdoms of Kingdom of England, England and Kingdom of France, France and a civil war in France during the Late Middle Ages. It emerged from feudal disputes over the Duchy ...

and in conflicts against the King of France.

Biography

Born 15 October 1396, John was the son of Bernard VII of Armagnac, Count d' Armagnac, of Fézensac, Pardiac, and Rodez; and Bonne of Berry. Upon the murder of his father on 12 June 1418 by a mob, John became count of Armagnac. John's father had taken the County of Comminges by force, but John could not prevent the second marriage of Marguerite to Mathieu de Foix in 1419. Subsequently, they retook the County of Comminges. In 1425, John recognized the King of Castile as overlord of Armagnac. The French king, Charles VII, occupied fighting the English, could not intervene, but did not overlook the affront. His conflict with Charles VII encouraged him to seek an approximation with the latter's enemies, namely the English. In July 1437, both John and King Henry VI of England signed a treaty, one of the terms being that Armagnac would not allow his subjects to act with hostility towards the English. John took part in the Praguerie (1440) of the barons and the Dauphin of France, but the coalition was overcome by Charles VII, who pardoned the insurrectionists. John started negotiations for a marriage between one of his daughters and Henry VI of England in 1442. John was anxious for a strong alliance which would protect him from threats by Charles VII, while the English were looking forward to being able to use his lands as a defensive buffer zone against French attacks. His strategically located territories in southwestern France made him much better positioned to defend Gascony than the English crown. "...the count of Armagnac was said to have offered a huge dowry in money, lands and men to help defend the borders of Gascony." John seems to have stalled the negotiations as he evaluated whether allying with the English or attempting a reconciliation with Charles VII was the best idea. Regardless, threats from his overlord, coupled with indecisiveness on the part of the English, the marriage negotiations came to an end. John, besieged in L'Isle-Jourdain by Dauphin Louis, was captured and imprisoned in

Carcassonne Carcassonne is a French defensive wall, fortified city in the Departments of France, department of Aude, Regions of France, region of Occitania (administrative region), Occitania. It is the prefectures in France, prefecture of the department. ...

in 1444. He was pardoned three years later, but his counties were directed by royal officers.

Marriages and children

John married Blanche of Brittany (1395–1419), daughter of John IV, Duke of Brittany and Jeanne d' Évreux, on 16 June 1407 and had: *Bonne (b. 1416; † before 1448) Shortly after the death of Blanche of Brittany, he married on 10 May 1419 his first wife's first cousin Isabella d' Évreux (b. 1395; † 1450), daughter of King Charles III of Navarre and Eleanor of Castille. They had: * Marie of Armagnac (b. 1420; † 1473), married in 1437 John II of Alençon (1409–1476), Duke of Alençon. Her grandson Charles IV, Duke of Alençon, eventually received the Armagnac inheritance. * Jean V of Armagnac (b. 1420; † 1473), Viscount of Lomagne, then Count of Armagnac, of Fézensac and Rodez. *Eléonore (b. 1423; † 1456), married in 1446 Louis II of Chalon-Arlay (b. 1389; † 1463), Prince d'Orange, Lord of Arlay and Arguel * Charles I, Count of Armagnac (b. 1425; † 1497), Viscount of Fézensaguet, then Count d' Armagnac, of Fézensac and Rodez * Isabelle (c. 1430 – 1476), Lady of the Four-Valleys

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