List of rulers of Brittany
Breton War of Succession

List of rulers of Brittany

Section Title: Breton War of Succession
Table Section Text: None

Name	Portrait	Birth	Marriages	Death

Joan the Lame (Janed) 1341-1364 with Charles I	-	c. 1319 only daughter of Guy of Brittany, Count of Penthièvre and Joan of Avaugour	Paris 4 June 1337 five children	10 September 1384 Guingamp aged 61–62

Charles I (Charlez Iañ) 1341–1364 with Joan	-	c. 1319 Blois second son of Guy I, Count of Blois and Margaret of Valois	29 September 1364 Auray aged 44–45

John (IV) of Montfort (Yann IV Moñforzh) May 1341-1345	-	c. 1293 only son of Arthur II and Yolande de Dreux	Joanna of Flanders Chartres March 1329 two children	26 September 1345 Château d'Hennebon, Hennebont aged 51–52

John (V) of Montfort (Yann V Moñforzh) 1345-1364	-	c. 1339 only son of John of Montfort and Joanna of Flanders	(1) Mary Plantagenet of England Woodstock Palace, Woodstock, Oxfordshire summer of 1361 no issues (2) Joan Holland London May 1366 no issues (3) Joan of Navarre Saillé-près-Guérande 2 October 1386 nine children	1/2 November 1399 Nantes aged 59–60

Sentence(s)

John IV (Yann IV, John of Montfort) was Duke of Brittany.

final_sentence: John IV (Yann IV, John of Montfort) was Duke of Brittany.