Francis I, Duke of Brittany

Francis I
Duke of Brittany; Count of Montfort
Reign	29 August 1442 – 18 July 1450
Predecessor	John VI
Successor	Peter II
Spouse	Yolande of Anjou Isabella of Scotland
Issue	Renaud, Count of Montfort Margaret, Duchess of Brittany Marie, Viscountess of Rohan
House	House of Montfort
Father	John VI
Mother	Joan of France
Born	11 May 1414 Vannes
Died	17 July 1450(1450-07-17) (aged 36) Château de l'Hermine
Burial	Redon Abbey
Religion	Roman Catholicism

Francis I (in Breton Fransez I, in French François I) (Vannes/Gwened, 14 May 1414 – 18 July 1450, Château de l'Hermine/Kastell an Erminig), was Duke of Brittany, Count of Montfort and titular Earl of Richmond, from 1442 to his death. He was son of Duke John VI and Joan of France.

Family

Francis I's first marriage was to Yolande of Anjou, daughter of Louis II of Anjou; they were married at Nantes in 1431. Francis and Yolande had a son, Renaud, Count of Montfort. Renaud died young and Yolande died in 1440.

His second marriage was to Isabel of Scotland (daughter of James I, King of Scots); he married Isabel at the Château d'Auray on 30 October 1442. Francis and Isabel had two daughters:

• Margaret of Brittany (1443–1469, Nantes), married Francis II, Duke of Brittany
• Marie of Brittany (1444–1506), married John II, Viscount of Rohan and Count of Porhoët.

Succession

Francis I died in 1450. Because he had no male heirs at the time of his death, he was succeeded by his younger brother, Peter II.

Ancestry

See also

• Dukes of Brittany family tree

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