• 1° Chasseur à Pied
  
• 4° Chasseur à Pied
  
• 1° Régiment de Grenadiers
  
• 2° Régiment de Grenadiers
  
• 4° Régiment de Ligne
  
• 9° Régiment de Ligne
  
• 9° Régiment de Forteresse
  
• 11° Régiment de Ligne
  
• 11° Régiment de Forteresse
  
• 12° Régiment de Ligne
  
• 12° Régiment de Forteresse
  
• 14° Régiment de Ligne
  
• 14° Régiment de Forteresse
  
• 24° Régiment de Ligne
  
• 29° Régiment de Ligne
  
• 31° Régiment de Ligne
  
• 32° Régiment de Ligne
  
• 34° Régiment de Ligne
  

Only the regiments of the 3° division , those of the 15° Brigade Mixte , the 'Troupes de Forteresse de Liége' and the Régiments de Grenadiers are listed.
(situation August 1914 unless otherwise indicated.)

• Each battalion had 4 company's of 2 platoons.
• This regiment was assigned to the ' 15° Brigade Mixte '  
• On mobilisation this regiment received its 8 youngest classes and divided itself to make a second regiment the ' 4° Chasseur à Pied '. The seven oldest classes made the '1° Chasseur de Forteresse'.

• Each battalion had 4 company's of 2 platoons
• This regiment was formed on mobilisation by splitting the ' 1° Chasseur à Pied ' it was assigned to the   '15° Brigade Mixte'  
• N.B. : The situation above is as found in 'La Bataille de Liége' from Colonel A.E.M. De Schrijver. In 'Historique des 1° et 4° Régiments de Chasseurs à Pied' (edited 1935) is written that Major Beaurain commanded the 1° Bataillon and Capitaine Commandant Flémal the 3°. (Contributed remark by Mr. Verdier Francois, thank you!)

• This regiment was assigned to the ' 4° Brigade Mixte '  
  
• On mobilisation this regiment received its 8 youngest classes and divided itself to make a second regiment the ' 24° Régiment de Ligne'.

• Each battalion had 4 company's of 3 platoons
• This regiment was assigned to the ' 9° Brigade Mixte '  
  
• On mobilisation this regiment received its 8 youngest classes and divided itself to make a second regiment the ' 29° Régiment de Ligne'. The seven oldest classes made the '9° Régiment de Forteresse '.

• Each battalion had 4 company's of 2 platoons
• Assigned to the ' Troupe de Forteresse de Liége ' 

• Each battalion had 4 company's of 2 platoons
• This regiment was assigned to the ' 11° Brigade Mixte '  
  
• On mobilisation this regiment received its 8 youngest classes and divided itself to make a second regiment the ' 31° Régiment de Ligne'. The seven oldest classes made the ' 11° Régiment de Forteresse '.

• Each battalion had 4 company's of 2 platoons
• Assigned to the ' Troupe de Forteresse de Liége ' 

• Each battalion had 4 company's of 2 platoons
• This regiment was assigned to the ' 12° Brigade Mixte '  
  
• On mobilisation this regiment received its 8 youngest classes and divided itself to make a second regiment the ' 32° Régiment de Ligne'. The seven oldest classes made the ' 12° Régiment de Forteresse '.

A soldier of the 12° Régiment de Ligne. Contributed item by John Clinch, go visit his website : A Belgian family's story.

• Each battalion had 4 company's of 2 platoons
• Assigned to the ' Troupe de Forteresse de Liége ' 

• Each battalion had 3 company's of 2 platoons
• This regiment was assigned to the ' 14° Brigade Mixte '  
  
• On mobilisation this regiment received its 8 youngest classes and divided itself to make a second regiment the ' 34° Régiment de Ligne'. The seven oldest classes made the ' 14° Régiment de Forteresse '.

• Each battalion had 3 company's of 2 platoons
• It was assigned to the ' Troupe de Forteresse de Liége ' 

• This regiment was formed on mobilisation by splitting the ' 4° Régiment de Ligne ' it was assigned to the   '4° Brigade Mixte'  

• Each battalion had 4 company's of 3 platoons
• This regiment was formed on mobilisation by splitting the ' 9° Régiment de Ligne ' it was assigned to the   '9° Brigade Mixte'  

• Each battalion had 4 company's of 2 platoons
• This regiment was formed on mobilisation by splitting the ' 11° Régiment de Ligne ' it was assigned to the   '11° Brigade Mixte'  

• Each battalion had 4 company's of 2 platoons
• This regiment was formed on mobilisation by splitting the ' 12° Régiment de Ligne ' it was assigned to the   '12° Brigade Mixte'

• Each battalion had 3 company's of 2 platoons
• This regiment was formed on mobilisation by splitting the ' 14° Régiment de Ligne ' it was assigned to the   '14° Brigade Mixte'