 Urwah later fought at the Battle of al-Qadisiyah and died fighting the Daylamites.The Al Jadila tribesmen based in Qinnasrin did not join their Arabian counterparts and fought alongside the Byzantines during the Muslim conquest of Syria.The Muslim general Abu Ubaidah ibn al-Jarrah encountered them in their "hadir" in 638, after which many agreed to convert to Islam, though a large section remained Christian and agreed to pay "jizya" (poll tax).