The Sufficient (Vol 5) · Hadith 1663 (#Ḥadīth #2)

2- مُحَمَّدُ بْنُ يَحْيَى عَنْ أَحْمَدَ بْنِ مُحَمَّدٍ عَنْ مُحَمَّدِ بْنِ إِسْمَاعِيلَ عَنْ مُحَمَّدِ بْنِ الْفُضَيْلِ عَنْ أَبِي الصَّبَّاحِ الْكِنَانِيِّ عَنْ أَبِي عَبْدِ اللهِ أَنَّهُ سُئِلَ عَنِ الرَّضَاعِ فَقَالَ يَحْرُمُ مِنَ الرَّضَاعِ مَا يَحْرُمُ مِنَ النَّسَبِ.

2. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad from Muhammad ibn ‘Isma’il from Muhammad ibn al-Fudayl from abu al-Sabbah al-Kinaniy who has said the following: “Once abu ‘Abd Allah , was asked about breastfeeding. He (the Imam) said, ‘Because of breastfeeding, whoever is unlawful for marriage because of being a relative (blood relationship), becomes unlawful for marriage.’”

Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).