▁their ▁position . ▁Once ▁An sel m ▁was ▁out ▁of ▁office , ▁however , ▁the ▁pop es ▁began ▁to ▁side ▁more ▁often ▁with ▁York , ▁and ▁generally ▁st riv ed ▁to ▁avoid ▁making ▁any ▁final ▁jud g ement . ▁ ▁Under ▁the ▁Norman ▁k ings ▁ ▁Under ▁Lan fran c ▁ ▁The ▁dispute ▁began ▁under ▁Lan fran c , ▁who ▁demanded ▁o ath s ▁of ▁ob ed ience ▁from ▁not ▁just ▁the ▁traditional ▁suff rag an ▁b ish ops ▁of ▁Can ter bury ▁but ▁also ▁from ▁the ▁arch bishop ▁of ▁York . ▁This ▁happened ▁shortly ▁after ▁Lan fran c ' s ▁own ▁consec r ation , ▁when ▁King ▁William ▁I ▁of ▁England ▁then ▁proposed ▁that ▁Lan fran c ▁consec rate ▁the ▁new ▁arch bishop ▁of ▁York , ▁Thomas ▁of ▁Bay e ux . ▁Lan fran c ▁demanded ▁that ▁Thomas ▁swe ar ▁to ▁obey ▁Lan fran c ▁as ▁Thomas ' ▁prim ate ▁before ▁the ▁consec r ation ▁could ▁take ▁place , ▁and ▁Thomas ▁refused , ▁but ▁he ▁eventually ▁gave ▁way , ▁and ▁made ▁a ▁profession . ▁However , ▁the ▁exact ▁form ▁that ▁this ▁o ath ▁took ▁was ▁disput ed , ▁with ▁Can ter bury ▁claim ing ▁it ▁was ▁without ▁conditions , ▁and ▁York ▁claim ing ▁that ▁it ▁was ▁only ▁a ▁personal ▁submission ▁to ▁Lan fran c , ▁and ▁did ▁not ▁involve ▁the ▁actual ▁offices ▁of ▁Can ter bury ▁and ▁York . ▁When ▁both ▁Thomas ▁and ▁Lan fran c ▁visited ▁Rome ▁in ▁ 1 0 7 1 , ▁Thomas ▁brought ▁up ▁the ▁prim acy ▁issue