army. In the early Islamic conquests, the Banu Ijl Muslim tribesmen also joined the army of Khalid ibn al-Walid in the battles of Walaja and Ullais. in the Battle of Walaja it is reported that the Muslims of Banu 'Ijl fought against their own fellow Christians tribesmen of Banu Ijl who sided with the Sassanian army.

Christians were a significant part of the Banu Ijl tribe. In the eve of Islam, The leader of