Jean de Clermont Lord of Chantilly and of Beaumont, was a Marshal of France

Marshal of France

The Marshal of France is a military distinction in contemporary France, not a military rank. It is granted to generals for exceptional achievements...

 (1352) who was killed in the battle of Poitiers

Battle of Poitiers (1356)

The Battle of Poitiers was fought between the Kingdoms of England and France on 19 September 1356 near Poitiers, resulting in the second of the three great English victories of the Hundred Years' War: Crécy, Poitiers, and Agincourt....

. Jean was a grandson of Guy I of Clermont

Guy I of Clermont

Guy I of Clermont was Lord of Breteuil and Offemont and a Marshal of France.He was the youngest son of Simon II of Clermont and Adele of Montfort....

.

Jean de Clermont served under the count of Eu

Raoul I of Brienne, Count of Eu

Raoul I of Brienne was the son of John II of Brienne, Count of Eu and Jeanne, Countess of Guînes.He succeeded his father as Count of Eu in 1302, and his mother as Count of Guînes in 1332. In 1329, he was named Constable of France, and he also held the office of Governor of Languedoc.In 1315, he...

 in 1340 during the campaigns in Hainault and Flanders

County of Flanders

The County of Flanders was one of the territories constituting the Low Countries. The county existed from 862 to 1795. It was one of the original secular fiefs of France and for centuries was one of the most affluent regions in Europe....

. The following years he fought in Normandy

Normandy

Normandy is a geographical region corresponding to the former Duchy of Normandy. It is in France.The continental territory covers 30,627 km² and forms the preponderant part of Normandy and roughly 5% of the territory of France. It is divided for administrative purposes into two régions:...

, Avignon

Avignon

Avignon is a French commune in southeastern France in the départment of the Vaucluse bordered by the left bank of the Rhône river. Of the 94,787 inhabitants of the city on 1 January 2010, 12 000 live in the ancient town centre surrounded by its medieval ramparts.Often referred to as the...

 and the Languedoc

Languedoc

Languedoc is a former province of France, now continued in the modern-day régions of Languedoc-Roussillon and Midi-Pyrénées in the south of France, and whose capital city was Toulouse, now in Midi-Pyrénées. It had an area of approximately 42,700 km² .-Geographical Extent:The traditional...

. In 1352 he was sent to Flanders to negotiate a truce with the English. After the signing of the truce he was made governor of Poitou

Poitou

Poitou was a province of west-central France whose capital city was Poitiers.The region of Poitou was called Thifalia in the sixth century....

, Saintonge

Saintonge

Saintonge is a small region on the Atlantic coast of France within the département Charente-Maritime, west and south of Charente in the administrative region of Poitou-Charentes....

, Angoumois

Angoumois

Angoumois was a county and province of France, nearly corresponding today to the Charente département. Its capital was Angoulême....

, Périgord

Périgord

The Périgord is a former province of France, which corresponds roughly to the current Dordogne département, now forming the northern part of the Aquitaine région. It is divided into four regions, the Périgord Noir , the Périgord Blanc , the Périgord Vert and the Périgord Pourpre...

 and Limousin

Limousin (province)

Limousin is one of the traditional provinces of France around the city of Limoges. Limousin lies in the foothills of the western edge of the Massif Central, with cold weather in the winter...

 (1354).

In 1356, de Clermont advised King John II of France

John II of France

John II , called John the Good , was the King of France from 1350 until his death. He was the second sovereign of the House of Valois and is perhaps best remembered as the king who was vanquished at the Battle of Poitiers and taken as a captive to England.The son of Philip VI and Joan the Lame,...

 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

Nouaillé-Maupertuis

Nouaillé-Maupertuis is a commune in the Vienne department in the Poitou-Charentes region in western France.-References:*...

, south of Poitiers

Poitiers

Poitiers is a city on the Clain river in west central France. It is a commune and the capital of the Vienne department and of the Poitou-Charentes region. The centre is picturesque and its streets are interesting for predominant remains of historical architecture, especially from the Romanesque...

. De Clermont was killed during the battle which ended in a complete French defeat.