The Sufficient (Vol 7) · Hadith 296 (#Ḥadīth #5)
Chapter 15 | Inheritance of Parents with Brothers and Sisters from the Father and Brothers and Sisters from the Mother
5- مُحَمَّدُ بْنُ يَحْيَى عَنْ أَحْمَدَ بْنِ مُحَمَّدٍ عَنِ ابْنِ فَضَّالٍ عَنْ عَبْدِ اللهِ بْنِ بُكَيْرٍ عَنْ فَضْلٍ أَبِي الْعَبَّاسِ الْبَقْبَاقِ عَنْ أَبِي عَبْدِ اللهِ قَالَ لا تَحْجُبُ الأمَّ عَنِ الثُّلُثِ إِلا أَخَوَانِ أَوْ أَرْبَعُ أَخَوَاتٍ لأبٍ وَأُمٍّ أَوْ لأبٍ.
5. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad from ibn Faddal from ‘Abd Allah ibn Bukayr from Fadl abu al-‘Abbas al-Baqbaq who has narrated the following: “Abu ‘Abd Allah , has said, ‘A mother is not barred from receiving one-third except because of two brothers or four sisters from both parents.”’
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).