father dynasty predecessor successor religion title article_title name reign
idris ibn umar idrisid yahia iii ibn al-qassim position -rrb- abolished -lrb- sultanate annexed to the fatimid empire zaydi shia islam sultan of morocco yahya ibn idris ibn umar
 yahya iv يحيى الرابع 904-917
yahya ibn idris ibn umar

yahya ibn idris ibn umar -lrb- -rrb- was the ninth idrisid ruler and sultan of morocco .
he took over after yahya iii in 904 and died in 917 when the fatimids invaded morocco .
fatimid rule of morocco continued for 8 years after the death of yahya iv and the idrisids only regained power after the rebellion of al-hasan ibn muhammad .
al-hasan 's rule however was short lived and lasted for only about 3 years before the fatimids ousted him .
the fatimids ruled for 10 more years only to be once again overthrown by the idrisids under the leadership of al qasim guennoun .
