KnowraYa'qub ibn al-Layth al-SaffarLinked fromLinked fromThe 4 pages that link to Ya'qub ibn al-Layth al-Saffar, each with the reason it gives.All 4Broader topic 2Related 1Compared with 1Tahirid dynastyRelated: His campaign against the Tahirid governor marked the end of their rule in Khorasan.