Francis I, Duke of Brittany
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Francis I (in French François I) (1414 – 1450), was duke of Brittany, from 1442 to his death. He was son of Duke John VI and Jeanne de Valois, princess of France. Francis married Isabella Stuart, princess of Scotland (daughter of James I) and had two daughters:
- Marguerite of Brittany (1443-1469), married Francis II, Duke of Brittany
- Mary of Brittany (1444-1506), married John II, viscount of Rohan
See also: Dukes of Brittany family tree
Preceded by: John VI | Duke of Brittany | Succeeded by: Peter II |