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Luc Siméon Auguste Dagobert de Fontenille (8 March 1736, La Chapelle-en-Juger, near Saint-Lô, Manche - 18 April 1794, Puigcerdà) was a French general of the French Revolutionary Wars.


Ancien Regime

Descendent of a noble family, Dagobert de Fontenille was major of the bataillon de chasseurs royaux du Dauphiné in 1788. Sous-lieutenant in the régiment de Touraine, he served in the Seven Years' War as an officer in Le Royal-Italien, and remained in that unit for the Corsican campaign of 1769. Whilst on Corsica he came into direct contact with the Bonaparte family.

By his marriage on 8 August 1780 to Jacquette Pailhoux de Cascastel (daughter of a Conseiller souverain of Le Roussillon), he became master of the forges and formed a company to exploit the mines at Les Corbières and Le Razès under the jurisdiction of the abbey of Lagrasse with his cousin, Jean-Pierre François Duhamel, correspondent of the Académie des sciences and commissaire of Louis XVI for mines and forges.

Under the French Revolution

In 1789, he and Louis-Philippe d'Orléans, grand-maître of the "Grand Orient de France", rallied to the revolutionary cause. He was made colonel in May 1792, at the outbreak of the War of the First Coalition, and sent to the armée du Var, in which he had many successes. Moved to the armée d'Italie under d'Anselme and Biron, he distinguished himself before Nice and at the col de Negro.

War against Spain

When the French National Convention declared war on Spain on 7 March 1793, de Fontenille moved to the armée des Pyrénées orientales, under general de Flers, and commanded an entrenched camp of 8,000 men. He repulsed a Spanish attack on this position on 19 May but was still forced to abandon it, though he then stopped an enemy column of 6,000 men marching on Perpignan. Made commander in chief of the armée centrale des Pyrénées after de Flers was removed from this post, he seized Puycerda on 29 August 1793 and the whole of the Spanish Cerdagne within 24 hours, before defeating the Spanish again on 4 September 1793 at Montlouis, capturing 14 cannon and recapturing part of Le Roussillon.

Made commander in chief of the armée des Pyrénées orientales in September after Barbantane's removal, he renounced this position after his defeat on 27 September at Truillas by general Ricardos.

Fall from and return to favour

He was discharged for this defeat and returned to Paris to give an account of his conduct. He was imprisoned, then released and returned to his previous post at the head of the armée des Pyrénées orientales. Arriving back at Perpignan in March 1794, he could not obtain some battalions from Dugommier (12,000 infantry and 600 cavalry in total) which had been put at his disposal. He nevertheless invaded Catalonia, where he removed several enemy positions and won various victories, taking Urgel on 10 April 1794, before dying of illness at Puycerda in April 1794. The Convention decided to engrave his name on the raised column at the Panthéon.


François-Gilles Dagobert, a cousin of Dagobert de Fontenille via a cadet (and Breton) branch of the family, took up the revolutionary torch in 1793 at the time of the War in the Vendee.



  • Le général Dagobert by Arthur Chuquet 1913
  • Campagne de la Révolution française dans les P-O by J.-N. Fervel, chef de bataillon du Génie
  • Nouveaux Lundis Tome 2 by Sainte-Beuve - 1864
  • Notes et histoire de la Famille Dagobert by Mme Destors, née Hayaux du Tilly (1962) non édité
  • Le Roi Dagobert. Histoire d'une famille et d'une chanson 1990, prix d'histoire de la société Académique de Nantes et de Loire-Atlantique
  • Le général Dagobert by Christian Laroze - 2000

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