On 29 Sep 1364 Battle of Auray decided the Breton Succession in favour of John Montfort V Duke Brittany (age 25). The Breton and English army was commanded by John Chandos (age 44) and included William Latimer 4th Baron Latimer of Corby (age 34), Miles Stapleton (age 44) and Hugh Calverley (age 40). Charles "Saint" Chatillon Duke Brittany (age 45) was killed. Bertrand Geusclin (age 44) surrendered.