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Home > John III, Duke of Brittany


John III of Dreux (in French Jean III de Dreux) ( March 8 1286 - April 30 1341), known as the Good, was duke of Brittany, from 1312 to his death. He was son of Duke Arthur II and Mary of Limoges, his first wife.

John remained single throughout his life and died with no male heirs. His death triggered the Breton War of Succession ( 1341- 1364), which opposed the House of Blois and the rights of his niece Joanna of Dreux, to the House of Monfort, a cadet branch of the ducal family of Brittany, lead by John of Montfort and his homonymous son. This civil war was an incident of the Hundred Years War.


See also: Dukes of Brittany family tree


Preceded by:
Arthur II
Duke of Brittany Succeeded by:
John IV or
Joanna and Charles


Brittany, John III, Duke of Brittany, John III, Duke of Dukes of Brittany

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