The Tayy, Kalb and Kilab renewed their alliance in 1024/25, but their appeal for support from the Byzantines was rebuffed by Emperor Basil II.[1] Nonetheless, they overcame a Fatimid army dispatched by az-Zahir that year at Ascalon and Hassan entered Ramla.[1] After Sinan's death, his nephew and successor defected to the Fatimids, while the Jarrahids and Mirdasids continued their rebellion.