کتاب الفتن · نُعیم بن حماد

Al-Walid bin Muslim told us, on the authority of a sheikh, on the authority of Yazid bin Al-Walid Al-Khuza’i, on the authority of Ka’b, who said: “Three of the sons of Abbas rule: Al-Mansur, Al-Mahdi, and Al-Saffah.”