ur ates , ▁who ▁spoke ▁the ▁Aqu itan ian ▁language ▁( a ▁form ▁of ▁Pro to - Bas que ). ▁As ▁with ▁other ▁pe op les ▁in ▁Aqu itaine , ▁the ▁Rom ans ▁had ▁a ▁somewhat ▁important ▁influence ▁in ▁the ▁territory , ▁although ▁Sou le ▁kept ▁its ▁language ▁and ▁culture ▁and ▁was ▁relatively ▁un important ▁during ▁the ▁times ▁of ▁the ▁Roman ▁Empire , ▁due ▁to ▁its ▁isol ation . ▁The ▁only ▁evidence ▁of ▁Roman ▁influence ▁in ▁Sou le ▁exists ▁in ▁the ▁chap elle ▁of ▁the ▁Made le ine , ▁in ▁T ard ets . ▁ ▁Sou le ▁is ▁first ▁mentioned ▁as ▁a ▁territory ▁in ▁a ▁text ▁from ▁the ▁ 7 th ▁Century . ▁In ▁ 6 3 6 ▁( or ▁ 6 3 5 ) ▁the ▁Frank ish ▁army ▁led ▁by ▁the ▁Duke ▁A rem bert ▁was ▁amb ushed ▁and ▁defeated ▁by ▁the ▁Bas ques ▁in ▁a ▁place ▁named ▁" v all is ▁sub ola ". ▁This ▁valley ▁is ▁then ▁included ▁in ▁the ▁territory ▁of ▁the ▁" W as con es " ▁( D uch y ▁of ▁Vas con ia ), ▁wh ic n ▁included ▁inter mitt ently ▁lands ▁to ▁either ▁side ▁of ▁the ▁western ▁and ▁central ▁Py ren ees . ▁It ▁was ▁later ▁referred ▁to ▁as ▁Gas con y . ▁ ▁Middle ▁A ges ▁▁ ▁The ▁region ▁of ▁Sou le ▁may ▁have ▁developed ▁a ▁prime val ▁political ▁structure ▁before ▁the ▁ 1 1 th ▁century ▁with ▁a ▁strong ▁influence ▁of ▁the ▁Kingdom ▁of ▁Pam pl ona , ▁established ▁in ▁the ▁year ▁