sentences:  Other poets included 'Amir ibn al-Tufayl, an important tribal chief; al-Ra'i al-Numayri, an opponent of Jarir; and the female poet Layla al-Akhyaliyyah.The protagonists of the romantic saga of Layla wal Majnun, Qays and Layla, also belonged to Banu 'Amir.The main tribes that constituted this confederation were as follows