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The Combat of the Thirty (26 March 1351), known as Combat des Trente in French, was an episode in the Breton War of Succession, a war fought to determine who would rule the Duchy of Brittany. It was an arranged fight between picked combatants from both sides of the conflict.
It was fought at a site midway between the Breton castles of Josselin and Ploƫrmel between thirty champions, knights and squires on each side, in a challenge issued by Jean de Beaumanoir, a captain of Charles of Blois supported by the King of France, to Robert Bemborough, a captain of Jean de Montfort supported by ...