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John V, Duke Of Brittany




John V (in French '''Jean V''') ( 1339November 1 1399 ), known as ''the Conqueror'', was Duke Of Brittany and Count Of Montfort , from 1345 to his death. He was son of Duke John De Montfort, Duke Of Brittany and Joanna Of Flanders .

The first part of his rule was tainted by the Breton War Of Succession , fought against his cousin Joanna Of Dreux and her husband Charles Of Blois . After his father's death, his mother took him to England to ask for the aid of Edward III . His mother was declared insane and imprisoned in Tickhill Castle in 1343 . He was taken in to the King's household afterwards. In 1364 , John V managed to win an important victory against the House of Blois in the Battle Of Auray , with the help of the English army. His rival Charles was killed in battle and Joanna forced to sign the Treaty Guérande on April 12 1365 . In the terms of the treaty, Joanna gave up her rights to Brittany and recognized John IV as sole master of the duchy. Surprisingly, John V declared himself a vassal to king Charles V Of France , not to Edward III Of England who helped him to become duke. Nevertheless, the French exerted pressure over Brittany and the local nobles and forced John V to exile between 1373 and 1379 .

John V married three times:
:1) princess Mary of England ( 13441362 ), daughter of Edward III Of England and Philippa Of Hainault ;
:2) in London in May 1366 , Joan Holland ( 13501384 ), daughter of Thomas Holland, 1st Earl Of Kent and
:3) at Saillé-près-Guérande on October 2 , 1386 , princess Joanna Of Navarre ( 13701437 ), daughter of Charles II Of Navarre , the mother of his children:

See also: Dukes Of Brittany Family Tree