ing ▁his ▁rule . ▁A ▁group ▁of ▁bar ons ▁ren ounced ▁their ▁fe ud al ▁t ies ▁to ▁John ▁in ▁May ▁ 1 2 1 5 , ▁and ▁they ▁captured ▁London , ▁Lincoln , ▁and ▁Ex eter . ▁John ▁persu aded ▁Stephen ▁Lang ton , ▁the ▁new ▁Arch bishop ▁of ▁Can ter bury , ▁to ▁c ede ▁control ▁of ▁Ro chester ▁Castle ▁to ▁a ▁royal ▁const able , ▁Regin ald ▁de ▁Corn hill . ▁Under ▁the ▁terms ▁of ▁the ▁agreement , ▁the ▁castle ▁was ▁to ▁revert ▁to ▁the ▁control ▁of ▁the ▁arch bishop ▁at ▁E aster ▁ 1 2 1 5 . ▁This ▁period ▁was ▁later ▁extended ▁to ▁E aster ▁ 1 2 1 6 . ▁Let ters ▁Pat ent ▁dated ▁ 2 5 ▁May ▁ 1 2 1 5 ▁requested ▁that ▁other ▁royal ▁const ables ▁would ▁take ▁over ▁from ▁Corn hill . ▁The ▁castle ▁would ▁still ▁be ▁returned ▁to ▁the ▁arch bishop ▁when ▁the ▁agreement ▁exp ired ▁or ▁if ▁peace ▁was ▁restored ▁to ▁the ▁kingdom ▁before ▁E aster ▁ 1 2 1 6 . ▁In ▁the ▁meant ime , ▁control ▁revert ed ▁to ▁Lang ton ▁whom ▁John ▁had ▁asked ▁to ▁hold ▁the ▁castle ▁" in ▁such ▁a ▁way ▁that ▁by ▁it ▁no ▁ill ▁or ▁harm ▁shall ▁come ▁to ▁us ▁or ▁our ▁kingdom ". ▁ ▁John ▁met ▁the ▁re bel ▁bar ons ▁at ▁R unn ym ede , ▁and ▁on ▁ 1 9 ▁June ▁ 1 2 1 5 ▁they ▁renew ed ▁their ▁v ows ▁of ▁fe alty . ▁A ▁peace ▁treat y