9. Al-Husayn ibn Ahmad ibn Idris said, on the authority of his father, on the authority of Muhammad ibn Ahmad ibn Yahya that Muhammad ibn Hassan said, on the authority of alHusayn ibn Muhammad al-Nawfali from the progeny of Nawfal ibn `Abd al-Muttalib that Muhammad ibn Ja`far reported to me, on the authority of Muhammad ibn `Ai, on the authority of `Isa ibn `Abd Allah al-`Umari, on the authority of his father, on the authority of his grandfather that

Regarding the illness that befalls a child, `Ali said: It is atonement for his parents.”