▁by ▁some ▁comment ators ▁as ▁" one ▁of ▁the ▁most ▁important ▁events ▁in ▁the ▁early ▁history ▁of ▁English ▁Law ▁because ▁of ▁the ▁light ▁it ▁sh eds ▁on ▁the ▁relationship ▁between ▁Norman ▁Law ▁and ▁English ▁Law " ▁with ▁the ▁trial ▁being ▁a ▁possible ▁indic ation ▁of ▁Norman ▁respect ▁for ▁Ang lo - S ax on ▁legal ▁history . ▁ ▁O do ▁of ▁Bay e ux ▁v ▁Lan fran c ▁( 1 0 7 1 ) ▁appeal ▁against ▁the ▁Tri al ▁of ▁Pen enden ▁He ath ▁and ▁the ▁first ▁case ▁known ▁where ▁the ▁judge ▁called ▁on ▁both ▁Ang lo - s ax on ▁and ▁Norman ▁jur istic ▁exper ts . ▁▁ ▁The ▁King ▁V ▁T av ist ock ▁ ▁R ▁v ▁Ralph ▁Bre ton ▁( 1 0 7 5 ), ▁one ▁of ▁the ▁earliest ▁C riminal ▁Tri als ▁in ▁English ▁Law ▁that ▁we ▁know ▁of . ▁▁ ▁Abb ot ▁Scotland ▁v ▁Ham o ▁the ▁Sh err if ▁( 1 0 7 6 ) ▁ ▁Bishop ▁O do ▁v ▁Walter , ▁Abb ot ▁of ▁E ves ham ▁( 1 0 7 7 ) ▁ ▁Walter ▁v ▁Saint ▁W ulf stan . ▁ ▁Common ▁Law ▁C ases ▁( post ▁ 1 1 5 4 ) ▁Mag na ▁Cart a ▁( 1 2 1 5 ) ▁ ▁F urr er ▁v ▁Sn elling ▁( 1 2 2 0 ) ▁early ▁ ▁property ▁and ▁contract s ▁preced ent ▁Stat ute ▁of ▁M erton ▁ 1 2 3 5 ▁ ▁A rund els ▁Case ▁ 1 2 5 0 ▁Stat