7-33 (The compiler of the book narrated) that his father narrated that Ahmad ibn Idris quoted Muhammad ibn Ahmad, on the authority of Sahl ibn Zyad, on the authority of Mansoor, on the authority of Nasr al-Kowsaj, on the authority of Mutrif - a servant of Ma’an, on the authority of Aba Abdullah , “Seven hearts would not taste the sweetness of belief: the Sindhi, the Zanji, the Khuzestani, the Kurdish, the Berbers, those who reside in the hills of Ray, and those born of adultery.”