مُحَمَّدُ بْنُ يَحْيَى عَنْ أَحْمَدَ بْنِ مُحَمَّدٍ عَنِ الْحَسَنِ بْنِ عَلِيٍّ عَنْ عَبْدِ اللهِ بْنِ الْمُغِيرَةِ عَنْ مُوسَى بْنِ بَكْرٍ قَالَ
قُلْتُ لِزُرَارَةَ إِنَّ بُكَيْراً حَدَّثَنِي عَنْ أَبِي جَعْفَرٍ (عَلَيْهِ السَّلام) أَنَّ الإخْوَةَ لِلأبِ وَالأخَوَاتِ لِلأبِ وَالأمِّ يُزَادُونَ وَيُنْقَصُونَ لأنَّهُنَّ لا يَكُنَّ أَكْثَرَ نَصِيباً مِنَ الإخْوَةِ وَالأخَوَاتِ لِلأبِ وَالأمِّ لَوْ كَانُوا مَكَانَهُنَّ لأنَّ اللهَ عَزَّ وَجَلَّ يَقُولُ إِنِ امْرُؤٌ هَلَكَ لَيْسَ لَهُ وَلَدٌ وَلَهُ أُخْتٌ فَلَها نِصْفُ ما تَرَكَ وَهُوَ يَرِثُها إِنْ لَمْ يَكُنْ لَها وَلَدٌ يَقُولُ يَرِثُ جَمِيعَ مَالِهَا إِنْ لَمْ يَكُنْ لَهَا وَلَدٌ فَأَعْطَوْا مَنْ سَمَّى اللهُ لَهُ النِّصْفَ كَمَلا وَعَمَدُوا فَأَعْطَوُا الَّذِي سَمَّى اللهُ لَهُ الْمَالَ كُلَّهُ أَقَلَّ مِنَ النِّصْفِ وَالْمَرْأَةُ لا تَكُونُ أَبَداً أَكْثَرَ نَصِيباً مِنْ رَجُلٍ لَوْ كَانَ مَكَانَهَا قَالَ فَقَالَ زُرَارَةُ وَهَذَا قَائِمٌ عِنْدَ أَصْحَابِنَا لإ يَخْتَلِفُونَ فِيهِ.
9. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad from al-Flassan ibn Ali from ‘Abd Allah ibn al-Mughirah from Musa ibn Bakr who has narrated the following:
“I once said to Zurarah that ibn Bukayr has narrated to me from abu Ja‘far 
, that the shares of brothers from the father and sisters from father and mother increase and decrease. It is because their shares are not greater than the share of brothers and sisters from father and mother if they were in their place. Allah, most Majestic, most Glorious, says, ‘. . . if a man dies who does not leave behind a child and he has a sister, she receives one-half of the legacy and he receives the entire legacy if she does not leave behind any children.’ He says that he receives the entire legacy, which she leaves behind if she does not leave behind a child. Despite this, they give complete to one whose share Allah has mentioned as One-half and they give less than One-half to one whom Allah has given the entire legacy. The share of woman is never more than the share of man if he was in her place. He (the narrator) has said that Zurarah then said, ‘This is applied by our people without any difference.’”
