According to one authority Joubert's army numbered 32,843 infantry and 2,087 cavalry for a total of 34,930 men. Saint-Cyr stated the army was 34,000-strong but in another place gave a strength of 35,487 foot and 1,765 horse, or a total of 37,252 men not counting artillery. According to Spencer C. Tucker, the total French force amounted 35,000. The French supply arrangements had collapsed and the troops were tired, thirsty and starving. Some soldiers were reduced to eating grass and leaves. Pérignon's wing consisted of the infantry divisions of Grouchy and Louis Lemoine plus a two-brigade infantry reserve and Antoine Richepanse's cavalry reserve. All demi brigades had two battalions each except where otherwise noted. Grouchy's 5,620-man division had a first brigade under Charles Louis Dieudonné Grandjean made up of the 39th and 92nd Line Infantry Demi Brigades and one battalion of the 26th Light Infantry Demi Brigade. The second brigade of Henri François Marie Charpentier consisted of the 93rd and 99th Line Demi Brigades. Lemoine's 6,410-strong division included a first brigade under Louis Gareau with the 26th Line and 80th Line and one battalion of the 5th Light and a second brigade under Jean Mathieu Seras counting the 20th Light and 34th Line. The three squadron strong 1st Hussar Regiment was attached to Lemoine. The 4,875-man reserve included Bertrand Clausel's brigade with the 29th Light and 74th Line and Louis Partouneaux's brigade with the 105th Line and one battalion of the 26th Light. Richepanse commanded 1,002 sabers in the 2nd Chasseurs à Cheval, 12th Dragoon, and the 1st, 3rd and 18th Cavalry Regiments. Each regiment counted two squadrons.