Jean de Clermont (French pronunciation: [ʒɑ̃ də klɛʁmɔ̃]; died 19 September 1356), Lord of Chantilly and of Beaumont, was a Marshal of France (1352) who was killed fighting in the Hundred Years' War at the Battle of Poitiers.
[1] Jean de Clermont served under the Count of Eu in 1340 during the campaigns in Hainault and Flanders.
In 1356, Jean advised King John II of France not to engage the English in battle but to surround them and starve them.
His advice ignored, King John II decided to engage the English at Nouaillé-Maupertuis, south of Poitiers.
Jean was killed during the battle which ended in a military disaster for the French, and the capture of the King.