ou raine ▁chose ▁Richard ' s ▁nep hew ▁and ▁nominated ▁he ir , ▁Arthur , ▁while ▁John ▁succeeded ▁in ▁England ▁and ▁Norm andy . ▁Yet ▁again ▁Philip ▁II ▁of ▁France ▁took ▁the ▁opportunity ▁to ▁dest abil ise ▁the ▁Plant agen et ▁territ ories ▁on ▁the ▁European ▁main land , ▁supporting ▁his ▁v ass al ▁Arthur ' s ▁claim ▁to ▁the ▁English ▁crown . ▁When ▁Arthur ' s ▁forces ▁threatened ▁his ▁mother , ▁John ▁won ▁a ▁significant ▁victory , ▁capt uring ▁the ▁entire ▁re bel ▁leadership ▁at ▁the ▁Battle ▁of ▁M ire be au . ▁Arthur ▁was ▁murder ed , ▁it ▁was ▁rum oured ▁by ▁John ' s ▁own ▁hands , ▁and ▁his ▁sister ▁Ele an or ▁would ▁spend ▁the ▁rest ▁of ▁her ▁life ▁in ▁capt ivity . ▁John ' s ▁behaviour ▁drove ▁numerous ▁French ▁bar ons ▁to ▁side ▁with ▁Phill ip . ▁The ▁resulting ▁re bell ions ▁by ▁the ▁Norman ▁and ▁An ge vin ▁bar ons ▁broke ▁John ' s ▁control ▁of ▁the ▁contin ental ▁poss essions , ▁leading ▁to ▁the ▁de ▁fact o ▁end ▁of ▁the ▁An ge vin ▁Empire , ▁even ▁though ▁Henry ▁III ▁would ▁maintain ▁the ▁claim ▁until ▁ 1 2 5 9 . ▁ ▁After ▁re - est ab lish ing ▁his ▁authority ▁in ▁England , ▁John ▁planned ▁to ▁re take ▁Norm andy ▁and ▁An jou . ▁The ▁strategy ▁was ▁to ▁draw ▁the ▁French ▁from ▁Paris ▁while ▁another ▁army , ▁under ▁Otto ▁IV , ▁Holy ▁Roman ▁Emperor , ▁attacked ▁from ▁the ▁north . ▁However , ▁his ▁al lies ▁were