The Banu Asad are the Patreneal Lineage from a man named Asad ben ( meaning: son of) Khuzaimah ben Mudrikah ben Elias ben Mudar ben Nezar ben Ma'ad ben Adnan ......Ben Nabit ben Ismael ben Ibrahim.
Expecting Muslim's imminent recall by the new regime, the Yemeni troops in Balkh initially refused to join the campaign, but were forced to join the army when a force composed of Mudaris (northern Arabs) under Nasr ibn Sayyar marched against them and defeated them at Baruqan.