Caesar Strabo Pliny the Elder Ptolemy
  Lexoveni    
  Leuci Leuci Leuci
    Ligones Ligones
  Mediomatrici Mediomatrici Mediomatrici
  Meldes    
Menapii Menapii Menapii Menapii
Morini Morini Morini Morini
    Nemetes  
Nervii Nervii Nervii Nervii
    Oromansacae  
  Ossimi    
  Parisi    
Pemanes      
    Rauriaci Rauriaci
  Remi Remi Remi

Peoples stated to be
German