On 20 May 1793, Meynier was promoted to general of brigade and on 27 September that year he became a general of division. Meynier led the Avantgarde of the Army of the Rhine at the First Battle of Wissembourg on 13 October 1793. Augustin Joseph Isambert's brigade included the 6th, 48th, and 105th Line Infantry Regiments and the Corrèze, Lot-et-Garonne, and Jura National Guard Battalions. Ferette's brigade was made up of the 93rd and 95th Line Infantry Regiments. Jean-François Combez commanded the 1st and 2nd Grenadier Battalions, and the 7th Hussars, 8th and 10th Chasseurs à Cheval, and 8th, 11th, and 17th Dragoons.