This is the order of battle for the Battle of Fuentes de Oñoro, which took place on 3–6 May 1811.
French Army of Portugal Commander-in-Chief: Marshal André Masséna
Army total: 48,198 (42,206 infantry, 4,662 cavalry, 46 guns)
II Corps
GD Jean Reynier
DivisionBrigadeRegiments and Others1st Division GD Pierre Hugues Victoire Merle (4,891 total)1st Brigade GB Jacques Thomas Sarrut 2e Légère (3 bns) 36e Légère (3 bns)Unbrigaded 4e Légère (3 bns)2nd Division GD Étienne Heudelet de Bierre (5,491 total)1st Brigade GB Roche Godard 17e Légère (3 bns) 70e Ligne (3 bns)2nd Brigade GB Jean Arnaud 31e Légère (3 bns) 47e Ligne (3 bns)Cavalry Brigade GB Pierre Benoît Soult (682 total) 1e Hussards 22e Chasseurs à Cheval 8e DragonsCorps total: 11,064 (10,382 infantry, 682 cavalry)
VI Corps
GD Louis Henri Loison
DivisionBrigadeRegiments and Others1st Division GD Jean Gabriel Marchand (5,872 total)1st Brigade GB Antoine de Maucune 6e Légère (3 bns) 69e Ligne (3 bns)2nd Brigade GB Cheminau 39e Ligne (3 bns) 76e Ligne (3 bns)2nd Division GD Julien Augustin Joseph Mermet (6,702 total)1st Brigade GB Ménard 25e Légère (3 bns) 27e Ligne (3 bns)2nd Brigade GB Eloi Charlemagne Taupin 50e Ligne (3 bns) 59e Ligne (3 bns)3rd Division GD Claude François Ferey (4,232 total)1st Brigade GB Simon 26e Ligne (3 bns) Légion du Midi (1 bn) Légion Hannoverienne (1 bn)2nd Brigade GB Labassée 66e Ligne (3 bns) 82e Ligne (2 bns)Cavalry Brigade GB Pierre Louis François Lamotte (334 total) 3e Hussards 15e Chasseurs à ChevalCorps total: 17,140 (16,806 infantry, 334 cavalry)
VIII Corps
GD Jean-Andoche JunotClausel's 1st Division and Saint-Croix's cavalry were maintaining the French lines of communication (Lipscombe, p.207)
DivisionBrigadeRegiments and Others2nd Division GD Jean-Baptiste Solignac (4,714 total)1st Brigade GB Pierre Guillaume Gratien 15e Ligne (3 bns) 86e Ligne (3 bns)2nd Brigade GB Jean Guillaume Barthélemy Thomières 65e Ligne (3 bns) Régiment Irlandais (1 bn)Corps total: 4,714 infantry
IX Corps
GD Jean-Baptiste Drouet, Comte d'Erlon
DivisionBrigadeRegiments and Others1st Division GD Michel Marie Claparède (4,716 total)1st Brigade 4th Battalion, 54e Ligne 4th Battalion, 21e Légère 4th Battalion, 28e Légère2nd Brigade 4th Battalion, 40e Ligne 4th Battalion, 63e Ligne 4th Battalion, 88e Ligne3rd Brigade 4th Battalion, 64e Ligne 4th Battalion, 100e Ligne 4th Battalion, 103e Ligne2nd Division GD Nicolas François Conroux (5,588 total)1st Brigade 4th Battalion, 9e Légère 4th Battalion, 16e Légère 4th Battalion, 27e Légère2nd Brigade 4th Battalion, 8e Ligne 4th Battalion, 24e Ligne 4th Battalion, 45e Ligne3rd Brigade 4th Battalion, 94e Ligne 4th Battalion, 95e Ligne 4th Battalion, 96e LigneCavalry Brigade GB François Fournier (794 total) 7e Chasseurs à Cheval (2 sqn) 13e Chasseurs à Cheval (2 sqn) 20e Chasseurs à Cheval (2 sqn)Corps total: 11,098 (10,304 infantry, 794 cavalry)
Reserves
DivisionBrigadeRegiments and OthersReserve Cavalry Division GD Louis-Pierre MontbrunMontbrun was in command of all the reserve cavalry, although GB Lepic insisted on referring all Montbrun's orders to Bessières for confirmation (Glover, p.153) (1,187 total)1st Brigade GB Cavrois 3e Dragons 10e Dragons 15e Dragons2nd Brigade GB Philippe Antoine d'Ornano 6e Dragons 11e Dragons 25e DragonsArmy of the North (cavalry) Marshal Jean-Baptiste Bessières (1,665 total)Imperial Guard Cavalry Brigade GB Louis Lepic (881 total) Chevau-légers Lanciers de la Garde Chasseurs à Cheval de la Garde Grenadiers à Cheval de la Garde Mameluks de la Garde (1 sqn)Light Cavalry Brigade GB Pierre Watier (784 total) 11e Chasseurs à Cheval 12e Chasseurs à Cheval 24e Chasseurs à Cheval 5e Hussards 1 Horse BatteryReserve Artillery GB Jean Baptiste Eblé (430 total) 4 Foot Batteries 1 Horse BatteryCorps total: 4,182 (2,852 cavalry, 46 guns)
Anglo-Portuguese Army Commander-in-Chief: Lt Gen Viscount Wellington
Column Commander: Lt Gen Brent Spencer (1st & 3rd Divisions)
Total Strength: 36,813 (33,969 infantry, 1,857 cavalry, 48 guns)
1st Division + Commanded by Lt Gen Brent Spencer Brigade Commander Units Strength 1st Brigade Col Edward Stopford 1/Coldstream Guards 1/3rd Guards Coy, 5/60th Rifles 1,943 2nd Brigade Maj Gen Nightingall / Lt Col Lord Blantyre 2/24th Foot 2/42nd Foot 1/79th Foot Coy, 5/60th Rifles 1,774 3rd Brigade Maj Gen Kenneth Howard 1/50th Foot 1/71st Foot 1/92nd Foot Coy, 5/60th Rifles 1,934 4th Brigade Maj Gen Sigismund von Löw 1st, 2nd, 5th, 7th KGL Line Battalions 1,914
3rd Division + Commanded by Maj Gen Thomas Picton Brigade Commander Units Strength 1st Brigade Col Henry MacKinnon 1/45th Foot 1/74th Foot 1/88th Foot Coy, 5/60th Rifles 1,863 2nd Brigade Maj Gen Charles Colville 2/5th Foot 2/83rd Foot 2/88th Foot 94th Foot 1,967 Portuguese Brigade Col Manley Power 9th Portuguese Line (2 bns) 21st Portuguese Line (2 bns) 1,650
5th Division + Commanded by Maj Gen Sir William Erskine Brigade Commander Units Strength 1st Brigade Col Andrew Hay 3/1st Foot 1/9th Foot 2/38th Foot Coy, Brunswick Oels 1,740 2nd Brigade Maj Gen James Dunlop 1/4th Foot 2/30th Foot 2/44th Foot Coy, Brunswick Oels 1,624 Portuguese Brigade Brig Gen William Spry 3rd Portuguese Line (2 bns) 15th Portuguese Line (2 bns) 1,764
6th Division + Commanded by Maj Gen Alexander Campbell Brigade Commander Units Strength 1st Brigade Col Richard Hulse 1/11th Foot 2/53rd Foot 1/61st Foot Coy, 5/60th Rifles 2,041 2nd Brigade Col Robert Burne 1/36th Foot2nd Foot detached at Almeida blockade 514 Portuguese Brigade Brig Gen Baron Eben 8th Portuguese Line (2 bns) 12th Portuguese Line (2 bns) 2,137
7th Division + Commanded by Maj Gen William Houston Brigade Commander Units Strength 1st Brigade Maj Gen John Sontag 51st Foot 85th Foot Chasseurs Britanniques Brunswick Oels Light Infantry (8 Coys) 2,409 Portuguese Brigade Brig Gen John Milley Doyle 7th Portuguese Line (2 bns) 19th Portuguese Line (2 bns) 2nd Caçadores 2,181
Light Division + Commanded by Brig Gen Robert Craufurd Brigade Commander Units Strength 1st Brigade Lt Col Thomas Beckwith 1/43rd Foot 1/95th Rifles (4 Coys) 2/95th Rifles (1 Coy) 3rd Caçadores 1,631 2nd Brigade Col George Drummond 1/52nd Foot 2/52nd Foot 1/95th Rifles (4 Coys) 1st Caçadores 2,184 Ashworth’s Portuguese Brigade Col Charles Ashworth 6th Portuguese Line (2 bns) 18th Portuguese Line (2 bns) 6th Caçadores 2,539
Cavalry & Artillery + Commanded by Maj Gen Stapleton Cotton Brigade Commander Units Strength 1st Cavalry Brigade Maj Gen John Slade 1st Dragoons 14th Light Dragoons 766 2nd Cavalry Brigade Lt Col Frederick von Arentschildt 16th Light Dragoons 1st Hussars (KGL) 779 Portuguese Cavalry Brigade Brig Gen Count Barbacena 4th Portuguese Dragoons 10th Portuguese Dragoons 312 Reserve Artillery Brig Gen Edward Howarth Ross’s Troop, RHA Bull’s Troop, RHA Lawson’s Company, RA Thompson’s Company, RA da Cunha’s, Rozziere’s, de Preto’s, de Sequerra’s Portuguese Batteries 987
Army Total: 36,813 (33,969 infantry, 1,857 cavalry, 48 guns)
Notes
References