▁Most ▁of ▁them ▁are ▁very ▁similar ▁to ▁each ▁other , ▁with ▁only ▁some ▁ph on etic ▁and ▁lex ical ▁differences . ▁The ▁three ▁main ▁dialect s ▁spoken ▁in ▁the ▁western ▁end ▁of ▁Brit t any , ▁the ▁' C orn ou illa is , ▁around ▁Qu imper , ▁the ▁Lé on ard , ▁around ▁Saint - Pol - de - L éon , ▁and ▁the ▁Tr ég or ro is , ▁around ▁Tr ég u ier , ▁are ▁grouped ▁into ▁the ▁K LT ▁group ▁( K erne - Le on - T re ger ), ▁in ▁opposition ▁to ▁the ▁V ann eta is , ▁spoken ▁around ▁V annes , ▁which ▁is ▁the ▁most ▁differenti ated ▁Bre ton ▁dialect . ▁ ▁According ▁to ▁a ▁ 1 9 9 9 ▁IN SEE ▁survey , ▁ 1 2 % ▁of ▁the ▁adult s ▁of ▁Brit t any ▁speak ▁Bre ton . ▁ ▁Gal lo ▁ ▁Gal lo ▁is ▁spoken ▁on ▁the ▁eastern ▁half ▁of ▁Brit t any . ▁It ▁is ▁not ▁itself ▁a ▁C elt ic ▁language . ▁Like ▁French , ▁it ▁is ▁also ▁desc ended ▁from ▁Latin ▁( and ▁is ▁class ified ▁in ▁the ▁Lang ues ▁d ' o ï l ▁branch ), ▁but ▁has ▁some ▁C elt ic ▁influ ences , ▁particularly ▁in ▁its ▁voc ab ul ary , ▁whereas ▁French ▁has ▁influ ences ▁from ▁both ▁C elt ic ▁( G a ul ish ) ▁and ▁Frank ish ▁( the ▁German ic ▁language ▁which ▁arrived ▁after ▁Latin ▁in ▁much ▁of ▁the ▁rest ▁of ▁France