First Battle of the Marne order of battle

The following units of the British, French and German Empires fought in the First Battle of the Marne from 5–12 September 1914 on the Western Front of World War I.

Comparative relevant military ranks

British Army	French Army	German Army
Captain	Capitaine	Hauptmann / Rittmeister
Major	Commandant	Major
Lieutenant-Colonel	Lieutenant-Colonel	Oberstleutnant
Colonel	Colonel	Oberst
Brigadier-General	Général de Brigade	Generalmajor
Major-General	Général de Division	Generalleutnant
Lieutenant-General	Général de Corps d’Armée	General der Infanterie / der Kavallerie / der Artillerie
General	Général d’Armée	Generaloberst
Field Marshal	Maréchal de France	Feldmarschall

British Expeditionary Force

Commander-in-Chief of the BEF: Field-Marshal Sir John French

I Corps

Lieutenant-General Sir Douglas Haig
Chief of Staff: Brigadier-General J. E. Gough
Commander, Royal Artillery: Brigadier-General H. S. Horne
Commander, Royal Engineers: Brigadier-General S. R. Rice

II Corps

Lieutenant-General Sir Horace Smith-Dorrien
Chief of Staff: Brigadier-General George Forestier-Walker
Commander, Royal Artillery: Brigadier-General A. H. Short
Commander, Royal Engineers: Brigadier-General A. E. Sandbach

III Corps

Major-General W. P. Pulteney
Chief of Staff: Brigadier-General J. P. Du Cane
Commander, Royal Artillery: Brigadier-General E. J. Phipps-Hornby

Commander, Royal Engineers: Brigadier-General F. M. Glubb

1st Cavalry Division

Major-General '''Edmund Allenby'''

French Armies

Général d’Armée '''Joseph Joffre'''

Fifth Army">Fifth Army (France)">Fifth Army

Général d’Armée '''Louis Franchet d'Espèrey'''

Sixth Army">Sixth Army (France)">Sixth Army

Général d’Armée Joseph Maunoury
Military Governor of Paris: Général d’Armée Joseph Gallieni
Chief of Staff: Général Guillemin

Ninth Army">Ninth Army (France)">Ninth Army

Général d’Armée Ferdinand Foch
Chief of Staff: Lieutenant-Colonel Weygand

German Armies

'''Chief of the Imperial German General Staff: Generaloberst Helmuth von Moltke'''

First Army">1st Army (German Empire)">First Army

Generaloberst Alexander von Kluck
Chief of Staff: Generalmajor Hermann von Kuhl
Quartermaster-General: Oberst Walter von Bergmann

Second Army">2nd Army (German Empire)">Second Army

Generaloberst Karl von Bülow
Chief of Staff: Generalleutnant Ernst Otto von Lauenstein

Third Army">3rd Army (German Empire)">Third Army

Generaloberst Max Freiherr von Hausen
Chief of Staff: Generalmajor Ernst von Hoeppner
Quartermaster-General: Generalmajor von Leuthold
Chief Engineer: Generalmajor Franz Adams

[XII (1st Royal Saxon) Corps]

General der Infanterie Karl d'Elsa
Chief of Staff: Oberstleutnant Hans von Eulitz

[XIX (2nd Royal Saxon) Corps]

General der Kavallerie Maximilian von Laffert
Chief of Staff: Oberstleutnant Frotscher

[XII (Royal Saxon) Reserve Corps]

Commanding General: General der Artillerie Hans von Kirchbach
Chief of Staff: Oberstleutnant von Koppenfels