Purana jamana me, Celts log abhi ke France me rahat rahin. Uu jaman me ii jagha ke Gaul (Gallia) bolaa jawat rahaa. Romans log aapan empire ke Gallia talak faelae ke Gallia ke aapan ek province banae liin. Kahe ki Roamn log Latin me baat karat rahin, local lg bhi Latin me baat kare lagin. Uu logan ke aapan bhasa, Gaulish, me kamti log baat kare lagin lekin Breton abhi talak France ke uu hissa me bola jaae hae jiske Brittany bola jaae hae. Ii bhasa purana Celtic bhasa se aais hae.