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L'Armée du Nord (68,000 men) under the command of Emperor Napoleon I.
Major Général (Chief of staff): Marshal Nicolas Jean de Dieu Soult.
Imperial guard, commander: Marshal Mortier (absent); aide-major-général (second-in-command): GD Drouot
Old Guard Division GD Friant
Middle Guard Division, GD Morand
Young Guard Division, GD Duhesme
Heavy Cavalry Division, GD Guyot
* I Corps, commander: GD Drouet d'Erlon (Corps not engaged)
1st Division, GB Quiot
2nd Division, GD Donzelot
II Corps commander: GD Reille (at Quatre Bras, except:)
7th Infantry Division, GD Girard †
III Corps commander: GD Vandamme
8th Infantry Division, GD Lefol
10th Infantry Division, GD Habert
11th Infantry Division, GD Berthezène
3rd Cavalry Division, GD Domon
IV Corps Gérard
12th Infantry Division, GD Pécheux
13th Infantry Division, GD Vichery
14th Infantry Division, GD Hulot
Cavalry reserve, GD Jacquinot
VI Corps, commander: GD Mouton-Lobau (Corps not engaged)
20th Division, GD Jeanin
Cavalry reserve, commander: Marshal Grouchy
III Cavalry Corps, commander: GD Kellermann (at Quatre Bras, except:)
11th Division, GD l'Héritier
IV Cavalry Corps, commander: GD Milhaud
14th Cavalry Division Delort
Prusse (84,000 men), under the command of Field Marshal Gebhard Leberecht von Blücher
Lieutenant-General (Chief of staff): August von Gneisenau
I Corps, commander: Lieutenant-General von Zieten
1st Brigade, Major-General von Steinmetz
2nd Brigade, Major-General Pirch II
3rd Brigade, Major-General Jagow
4th Brigade major, general Henckel von Donnersmarck
Reserve Cavalry, Lieutenant-General von Röder
1st brigade, von Teskow
2nd brigade, von Lützow
Reserve artillery, von Lehmann
II Corps, commander: Lieutenant-General von Pirch I
5th Brigade, Major-General von Tippelskirch
6th Brigade, Major-General von Krafft
7th Brigade, Major-General von Brause
8th Brigade, Major-General Bose
Reserve Cavalry Major-General of Cavalry, von Wahlen-Jürgass
1st brigade, von Thümen
2nd brigade, von Schulenburg
3rd brigade, von Sohr
Reserve artillery, von Röhl
III Corps, Lieutenant-General von Thielmann
9th brigade, von Borcke
10th Brigade, von Kämpffen
11th Brigade, von Luck
12th Brigade, von Stülpnagel
Reserve Cavalry Major-General von Hobe
1st brigade, von der Marwitz
2nd brigade, von Lottum
Reserve artillery, von Mohnhaupt