John III of Armagnac (1359 – July 25, 1391) was

Count of Armagnac The following is a list of rulers of the County of Armagnac: House d'Armagnac, House of Armagnac *William of Fesenzac, William Count of Fézensac and Armagnac ?–960 *Bernard the Suspicious, first count privative of Armagnac 960–? *Gerald ...

and also of Fézensac and

Rodez Rodez (, , ; , ) is a small city and commune in the South of France, about 150 km northeast of Toulouse. It is the prefecture of the department of Aveyron, region of Occitania (formerly Midi-Pyrénées). Rodez is the seat of the communau ...

from 1384 until his death. He was the son of John II of Armagnac and Joan of Périgord. In 1390, John claimed the

Kingdom of Majorca The Kingdom of Majorca (, ; ; ; ) was an insular realm off the east coast of modern day Spain, which included the islands of Mallorca, Menorca, Ibiza and Formentera. The islands were conquered from the Almohad Caliphate by James I of Aragon, ...

, but was overcome by the troops of

John I of Aragon John I (27 December 1350 – 19 May 1396), called by posterity the Hunter or the Lover of Elegance, or the Abandoned in his lifetime, was the King of Aragon from 1387 until his death. Biography John was the eldest son of Peter IV and his third ...

in a battle near Navata. John consequently led military actions in Roussillon. In 1391, he had to leave for

Italy Italy, officially the Italian Republic, is a country in Southern Europe, Southern and Western Europe, Western Europe. It consists of Italian Peninsula, a peninsula that extends into the Mediterranean Sea, with the Alps on its northern land b ...

in order to go to the assistance of Charles Visconti, Lord of

Parma Parma (; ) is a city in the northern Italian region of Emilia-Romagna known for its architecture, Giuseppe Verdi, music, art, prosciutto (ham), Parmesan, cheese and surrounding countryside. With a population of 198,986 inhabitants as of 2025, ...

and husband of his sister, Beatrice of Armagnac. Visconti was in conflict with his acquisitive cousin

Gian Galeazzo Visconti Gian Galeazzo Visconti (16 October 1351 – 3 September 1402), was the first duke of Duchy of Milan, Milan (1395) and ruled that late-medieval city just before the dawn of the Renaissance. He also ruled Lombardy jointly with his uncle Bernabò V ...

, later the duke of

Milan Milan ( , , ; ) is a city in northern Italy, regional capital of Lombardy, the largest city in Italy by urban area and the List of cities in Italy, second-most-populous city proper in Italy after Rome. The city proper has a population of nea ...

, whose ambition was to control the whole of northern Italy. His army was attacked and decisively beaten by that of Gian Galeazzo Visconti as it passed through

Alessandria Alessandria (; ) is a city and commune in Piedmont, Italy, and the capital of the Province of Alessandria. It is also the largest municipality of the region. The city is sited on the alluvial plain between the Tanaro and the Bormida rivers, ...

in Piedmont. John was killed in the battle.

Family

On May 14, 1378, John married

Margaret Margaret is a feminine given name, which means "pearl". It is of Latin origin, via Ancient Greek and ultimately from Iranian languages, Old Iranian. It has been an English language, English name since the 11th century, and remained popular thro ...

(1363–1443), countess of Comminges (1363–1443). They had two daughters: *Joan, who married Guillaume-Amanieu de Madaillan (1375–1414) in 1409. *Margaret, who married William II of Narbonne in 1415. He was killed in the battle of Verneuil, on August 14, 1424).

References

Sources

* * {{DEFAULTSORT:John 03 Of Armagnac 1359 births 1391 deaths John III Jure uxoris counts