▁King ▁of ▁the ▁Rom ans , ▁Count ▁Adolf ▁of ▁N ass au , ▁and ▁his ▁H abs burg ▁rival ▁Duke ▁Albert ▁of ▁Austria , ▁when ▁Imperial ▁authority , ▁tradition ally ▁concerned ▁with ▁the ▁protection ▁of ▁the ▁Jews , ▁had ▁tempor arily ▁col lapsed . ▁Al ready ▁in ▁ 1 2 8 7 ▁the ▁death ▁of ▁Werner ▁of ▁Ober w es el ▁in ▁the ▁Rh in eland ▁had ▁been ▁bl amed ▁on ▁Jews ▁and ▁about ▁ 5 0 0 ▁were ▁killed ▁in ▁reven ge , ▁followed ▁by ▁a ▁series ▁of ▁blood ▁lib els . ▁When ▁finally ▁King ▁Adolf ▁was ▁de posed ▁and ▁killed ▁in ▁the ▁Battle ▁of ▁Gö ll heim ▁on ▁ 2 ▁July ▁ 1 2 9 8 , ▁the ▁Fran con ian ▁nob ility ▁gathered ▁at ▁Albert ' s ▁election ▁in ▁Frankfurt . ▁ ▁When ▁at ▁the ▁same ▁time ▁the ▁Jews ▁in ▁the ▁H ohen lo he ▁town ▁of ▁R ött ingen ▁were ▁accused ▁of ▁having ▁obtained ▁and ▁des ec r ated ▁a ▁consec r ated ▁host , ▁one ▁" L ord ▁R ind tf le isch ", ▁who ▁the ▁sources ▁refer ▁to ▁either ▁as ▁an ▁imp over ished ▁kn ight ▁or — more ▁probably — a ▁but cher ▁( the ▁term ▁R ind f le isch ▁means ▁" be ef " ▁in ▁modern ▁German ▁sp elling ), ▁gathered ▁a ▁mob ▁around ▁him ▁and ▁burn ed ▁the ▁R ött ingen ▁Jews ▁on ▁Sunday , ▁April ▁ 2 0 . ▁R int f le isch ▁declared ▁to ▁have ▁received ▁a ▁mand ate ▁from