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Marshal de Bourmont

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Marshal de Bourmont
NameLouis-Auguste-Victor, Count de Ghaisnes de Bourmont
Birth date24 March 1773
Birth placeMortagne-au-Perche, Kingdom of France
Death date27 August 1846
Death placeLisbon, Kingdom of Portugal
AllegianceKingdom of France (Ancien Régime), First French Republic (brief), First French Empire, Bourbon Restoration, Kingdom of Portugal
BranchFrench Royal Army, Armée des Princes (brief), Portuguese Army
RankMarshal of France
BattlesFrench Revolutionary Wars, War of the Third Coalition, Peninsular War, Hundred Days, Bourbon Restoration events
AwardsOrder of Saint Louis, Grand Cross of the Legion of Honour (posthumous claims contested)

Marshal de Bourmont Louis-Auguste-Victor, Count de Ghaisnes de Bourmont was a French aristocrat and soldier whose career spanned the Ancien Régime, the French Revolutionary Wars, the Napoleonic Wars, the Bourbon Restoration and the July 1830 revolution. A veteran of campaigns against Prussia, Austria, Spain and in Portugal, he rose to high command, became a peer under the restored House of Bourbon, and later entered exile to serve foreign crowns. His reputation was marked by battlefield competence, royalist convictions, and controversy after he betrayed the Hundred Days to the royalist cause.

Early life and family

Born in 1773 at Mortagne-au-Perche into the old Norman noble family of Ghaisnes de Bourmont, he was the son of a provincial landowner and member of the local aristocracy closely connected to families of the Ancien Régime in Perche. Educated in aristocratic circles influenced by the court culture of Versailles and the patronage networks surrounding the House of Bourbon, his early ties brought him into the officer class of the Royal Army before the outbreak of the French Revolution.

Military career under the Ancien Régime and Revolutionary Wars

Commissioned as a junior officer in the Royal Army, Bourmont served in regiments tied to noble households and saw the collapse of the Ancien Régime as revolutionary politics transformed the officer corps. During the French Revolutionary Wars he navigated the turbulent shift from royalist loyalty to service under revolutionary commanders, participating in campaigns that confronted the First Coalition—notably actions against Prussia and Austria. Like many émigré or conservative aristocrats, he faced choices about allegiance during the rise of the Directory and the Consulate.

Service in the Napoleonic Wars

Under the First French Empire Bourmont returned to active duty and served in multiple theatres of the Napoleonic Wars. He held commands in campaigns associated with the War of the Third Coalition and operations on the Iberian Peninsula during the Peninsular War against Spain and Portugal. He fought alongside commanders connected to the Grande Armée and encountered figures such as Napoleon I’s marshals and divisional leaders on the complex front of the Iberian campaigns. His conduct in the field earned him promotions and recognition among peers from the imperial army, yet his private royalist sympathies remained an undercurrent.

Role in the Bourbon Restoration and 1830 coup d'état

Following the first fall of Napoleon in 1814 and the restoration of the House of Bourbon, Bourmont aligned with the returning royal government and accepted positions within the restored royal military establishment, receiving honors such as the Order of Saint Louis. During the volatile 1815 period of the Hundred Days, he became infamous for communicating with royalist circles and for actions perceived as a betrayal when he disclosed troop movements to supporters of the Bourbons—an episode that involved prominent political actors of the time, including members of the Chambre des Pairs and ministers of the restored monarchy. In the revolution of July 1830, known as the July Revolution or coup d'état that deposed Charles X and brought Louis-Philippe to power, Bourmont’s loyalties and roles were scrutinized by participants from the Legitimists and Orléanists factions.

Later life, exile, and service with foreign armies

After the political upheavals of 1830 and the changing fortunes of the Legitimist cause, Bourmont went into exile and offered his services to foreign sovereigns, a path taken by several French émigré officers. He entered the service of the Kingdom of Portugal during a period when Portuguese affairs drew foreign intervention and where veteran commanders from the Napoleonic era were recruited by competing crowns and factions. His later years also brought him into contact with international military figures and dynastic courts across Europe, and he died in Lisbon in 1846 while still associated with Portuguese military circles.

Personal life and legacy

A scion of Norman nobility, Bourmont married into families linked to provincial elites and maintained estates reflective of his aristocratic origins in Normandy and Perche. His career left a contested legacy: hailed by royalist contemporaries for fidelity to the House of Bourbon and criticized by liberal and Bonapartist commentators for perceived treachery during the Hundred Days. Historians debating the late Restoration and early July Monarchy frequently cite his actions when discussing officer class realignments, émigré networks, and the role of veterans in post-Napoleonic politics, alongside other military figures of the era such as Marshal Ney, Marshal Masséna, and royalist leaders. Monographs on the Bourbon Restoration, studies of the Peninsular War, and scholarship on 19th-century French political factions continue to reference his career when tracing the complex loyalties of France’s military elite.

Category:1773 births Category:1846 deaths Category:Marshals of France Category:French counter-revolutionaries Category:People of the Napoleonic Wars