Son of a Brother with a Grandfather
Al-Kāfi|Volume 7|Book 2|Chapter 23
11- عَلِيُّ بْنُ إِبْرَاهِيمَ عَنْ أَبِيهِ عَنِ ابْنِ أَبِي عُمَيْرٍ عَنْ جَمِيلِ بْنِ دَرَّاجٍ عَنْ أَبِي عَبْدِ اللهِ (عَلَيْهِ السَّلام) قَالَ إِنَّ رَسُولَ اللهِ (صَلَّى اللهُ عَلَيْهِ وَآلِه) أَطْعَمَ الْجَدَّةَ السُّدُسَ.
11. Ali ibn Ibrahim has narrated from his father from Ibn Abi ‘Umayr from Jamil ibn Darraj who has narrated the following: “Abu ‘Abd Allah عليه السلام, has said that the Messenger of Allah, O Allah, grant compensation to Muhammad and his family worthy of their services to Your cause, provided for the grandmother with one-sixth.’”
- Mirʾāt al-ʿUqūl fī Sharḥ Akhbār Āl al-Rasūl (3/170)
- Ṣaḥīḥ al-Kāfī, vol. 3, p. 282