▁- ▁inv iting ▁the ▁alleg ed ▁murder er ▁and ▁other ▁Wel sh ▁dign itar ies ▁to ▁A berg aven ny ▁Castle ▁for ▁recon c ili ation , ▁he ▁had ▁them ▁all ▁killed ▁in ▁the ▁hall . ▁This ▁set ▁off ▁anti - N orm an ▁attacks ▁on ▁a ▁number ▁of ▁local ▁cast les , ▁including ▁New ▁Rad nor , ▁which ▁was ▁captured ▁by ▁Ein ion ▁o ' r ▁P orth , ▁the ▁son ▁of ▁Ein ion ▁Cl ud ▁who ▁had ▁now ▁succeeded ▁him . ▁ ▁Ein ion ▁o ' r ▁P orth ▁married ▁a ▁daughter ▁of ▁Rh ys ▁ap ▁Gru ff y dd , ▁prince ▁of ▁De he ub arth , ▁and ▁evidently ▁invited ▁Rh ys ▁to ▁Rad nor ▁Castle . ▁In ▁early ▁March ▁ 1 1 8 8 , ▁Ger ald ▁of ▁Wales ▁visited ▁Fer li x ▁with ▁Bald win , ▁the ▁Arch bishop ▁of ▁Can ter bury , ▁seeking ▁soldiers ▁for ▁the ▁Third ▁Cr us ade ; ▁they ▁met ▁Ein ion ▁at ▁Rad nor ▁Castle , ▁and ▁convinced ▁him ▁to ▁take ▁the ▁cross ▁( i . e . ▁join ▁the ▁cr us ade ), ▁like ▁his ▁cousin ▁Ma el g wn ▁( r uler ▁of ▁Ma el ien y dd ) ▁did ▁afterwards ▁at ▁his ▁castle ▁of ▁C rug ▁E ry r ▁( des cribed ▁by ▁Ger ald ▁as ▁' C ru ker '). ▁Eine on ▁rising ▁up , ▁said ▁to ▁Rh ys , ▁whose ▁daughter ▁he ▁had ▁married , ▁" My ▁father ▁and ▁lord ! ▁with ▁your ▁permission ▁I ▁hast en