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John III, Count of Armagnac

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John III of Armagnac (1359 – July 25, 1391) was Count of Armagnac and also of Fézensac and Rodez from 1384 until his death. He was the son of John II of Armagnac and Joan of Périgord.[1]

In 1390, John claimed the Kingdom of Majorca, but was overcome by the troops of John I of Aragon in a battle near Navata. John consequently led military actions in Roussillon.

In 1391, he had to leave for Italy in order to go to the assistance of Charles Visconti, Lord of Parma and husband of his sister, Beatrice of Armagnac. Visconti was in conflict with his acquisitive cousin Gian Galeazzo Visconti, later the duke of Milan, 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 in Piedmont.[2] John was killed in the battle.[2][3]


On May 14, 1378, John married Margaret (1363–1443), countess of Comminges (1363–1443).[1] They had two daughters:


  1. ^ a b c d Lodge 1926, p. 14.
  2. ^ a b Allmand & Coopland 1976, p. 113.
  3. ^ Romanoni, Fabio (2022). "«E la gente di Francia malaccorta, tratta con arte ove la rete è tesa». La battaglia di Alessandria del 1391: il trionfo di Iacopo dal Verme". Bollettino Storico-Bibliografico Subalpino (in Italian). 120: 243–264. ISSN 0391-6715. Retrieved 2 February 2023.


  • Allmand, C. T.; Coopland, George William (1976). War, Literature, and Politics in the Late Middle Ages. Liverpool University Press.
  • Lodge, Eleanor C. (1926). Gascony under English Rule. Methuen & Co. Ltd.
Preceded by Count of Armagnac
Succeeded by