- D in ▁tried ▁to ▁indu ce ▁al - M ut aw ak kil ▁al - M ut ah har ▁and ▁al - Has an ▁bin ▁W ah has ▁to ▁enter ▁host ilities ▁with ▁the ▁Ras ul id ▁D ynast y , ▁but ▁they ▁m istr usted ▁him ▁and ▁refused . ▁Sar im ▁ad - D in ▁then ▁made ▁an ▁abort ive ▁attempt ▁to ▁set ▁up ▁a ▁close ▁relative , ▁A hm ad ▁bin ▁I bra him , ▁as ▁im am . ▁ ▁War fare ▁with ▁the ▁Ras ul ids ▁Nevertheless , ▁war fare ▁broke ▁out ▁between ▁al - M ut aw ak kil ▁al - M ut ah har ▁and ▁the ▁Ras ul id ▁Sultan ▁al - Y uz av ava fa ▁F es uy ▁in ▁ 1 2 8 8 . ▁Peace ▁was ▁concluded ▁in ▁July ▁in ▁that ▁year , ▁and ▁the ▁tribes ▁Ban u ▁Hay y , ▁Ban u ▁Si ham , ▁U ' r ush ▁and ▁Ban u ▁Mut im ▁were ▁acknowled ged ▁as ▁subjects ▁of ▁the ▁im am . ▁F resh ▁Za idi - R as ul id ▁fighting ▁er upt ed ▁in ▁ 1 2 9 1 . ▁This ▁time ▁the ▁mountain ous ▁tren ch ▁of ▁the ▁im am ▁was ▁over run , ▁and ▁he ▁had ▁to ▁ro am ▁around ▁from ▁place ▁to ▁place , ▁eventually ▁establish ing ▁himself ▁in ▁H aj j ah . ▁The ▁powerful ▁Sultan ▁al - M u za ff ar ▁Y us uf ▁died ▁in ▁ 1 2 9 6 , ▁which