Jean Louis Debilly

Jean Louis Debilly

Born 30 July 1763 (1763-07-30)
Dreux, Eure-et-Loire, France
Died 14 October 1806 (1806-10-15) (aged 43)
Auerstadt Kingdom of Prussia
Allegiance
Service/branch Artillery and Infantry
Years of service 1793–1806
Rank Major General
Battles/wars French Revolutionary Wars
Napoleonic Wars
Awards Officer's Grand Cross, Legion of Honor
Other work mathematics professor

Jean Louis Debilly, General of Brigade in the Grande Armée, was born 30 July 1763 in Dreux, Eure-et-Loire, France, and died 14 October 1806, in the French victory over the Kingdom of Prussia at the Battle of Jena-Auerstadt. On 14 June 1804, he was awarded the Commanders Cross of the Legion of Honor.

Military service

When the French Revolution began in 1789, Jean Louis Debilly was a professor of mathematics in Paris. He joined the Parisian National Guard artillery in 1792, and served for six weeks as provisional commander of the artillery defending the coast at Brest. In June he entered the army, and was promoted to adjutant general. Debilly declined a proffered promotion to remain as General Kléber's chief of staff. He served for a brief time with Army of England, until the Directory abandoned the project. He was transferred to Jean-Baptiste Jourdan's Army of the Danube, where he filled several roles: as commander of cavalry, he supported Dominique Vandamme's detached flank maneuver on Stuttgart, and he was a commander of the left column of the III. Division of the Army at the first Battle of Stockach. He was badly wounded at the French defeat at the First Battle of Zurich[1] in early June 1799, and was unable to ride a horse for several months. Massena promoted him to brigadier general, and assigned him to a staff position as chief artillery and engineers of the III. Division.[2]

In 1806, Debilly was still a brigade commander, but in the I. Division of the I. Corps of Marshal Louis-Nicolas Davout. The 10,000-man I. Division on the French left flank at Auerstadt. Jean Louis Debilly commanded the leading brigade of French infantry marching on Hassenhausen in late morning of 14 October. Facing a cavalry charge, Debilly ordered the infantry to form defensive squares. The infantry absorbed the brunt of a triple Prussian cavalry charge; when the Prussian cavalry recoiled under heavy musketry-fire, the brigade reformed its line and marched against the supporting Prussian infantry, pushing them back to Lissbach. In the course of this advance, Debilly was killed.[3]

Family

The Debilly family dates to the thirteenth century, when it is mentioned in papers documenting feudal obligations of an écuyer Robert De Billy (squire Robert de Billy) in 1202. Over the course of centuries, the family's fortunes rose and fell; in the late seventeenth century, part of the family emigrated to Canada. Another part, from which Jean Louis Debilly descended, settled near Dreux, Eure-et-Loire.[4]

Jean Louis Debilly married, first, Jeanne Chénnard, and second, Marie-Barbe Saum. His first son, Charles-Louis Debilly, born in 1790, became a page of Napoleon and was raised to the rank of chevalier in 1813; this son married one of the daughters of Honoré Théodore Maxime Gazan de la Peyrière. Another son, Eduard Louis Daniel Debilly (1802–1874) was general of ponts et chaussées (bridges and pavement).[4] There are some claims that he was also a scientist.[5]

Notes and Citations

  1. ↑ Charles-Louis Chassin. La Vendée patriote, 1793–1800. Paris: P. Dupont, 1893–95, p. 327
  2. ↑ Howard Brown. War, revolution, and the bureaucratic state: 1791–1799. Oxford: Clarendon Press, 1995, ISBN 978-0-19-820542-5, p. 314.
  3. ↑ David Chandler. Jena 1806: Napoleon destroys Prussia. London: Osprey, 1993, pp. 36, 76; F. Loraine Petre. Napoleon's Conquest of Prussia 1806. London: Lane, 1903, p. 160.
  4. 1 2 Gustave Chaix d'Est-Ange. Dictionnaire des familles françaises anciennes ou notables... Évreux: C. Hérissey, 1903-, volume 4, p. 254–285.
  5. ↑ Rodolphe Töpffer, Jacques Droin, Danielle Buyssens, Jean-Daniel Candaux. Correspondance complète. (Complete correspondence of Rodolphe Töpffer). Genève: Droz, 2002, volume 1 ISBN 978-2-600-00666-8, p. 254.

Bibliography

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