Yahya ibn Idris ibn Umar

Yahya IV or Yahya ibn Idris ibn Umar was an Idrisid ruler, ruling in Fes from 905 to 922. For the last three years of his reign, he acknowledged the overlordship of the Fatimid Caliphate, until he was deposed by the Fatimid general Masala ibn Habus. He died in exile at the Fatimid capital of al-Mahdiya in 946.