٤- مُحَمَّدُ بْنُ يَحْيَى عَنْ أَحْمَدَ بْنِ مُحَمَّدٍ عَنِ ابْنِ مَحْبُوبٍ عَنِ ابْنِ رِئَابٍ عَنْ أَبِي عُبَيْدَةَ عَنْ أَبِي جَعْفَرٍ (عَلَيْهِ السَّلام) فِي رَجُلٍ مَاتَ وَتَرَكَ امْرَأَتَهُ وَأُخْتَهُ وَجَدَّهُ قَالَ هَذِهِ مِنْ أَرْبَعَةِ أَسْهُمٍ لِلْمَرْأَةِ الرُّبُعُ وَلِلأخْتِ سَهْمٌ وَلِلْجَدِّ سَهْمَانِ.
4. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad from ibn Mahbub from ibn Ri’ab from abu ‘Ubaydah who has narrated the following: “About the case of a man who dies and leaves behind his wife, sister and grandfather, abu Ja‘far , has said, ‘This is distributed from four parts, one-fourth for the woman, one share for the sister and two shares for the grandfather.’” 