Malik said, "The generally agreed on way of doing things among us is that full siblings do not inherit anything with sons nor anything with grandsons through a son, nor anything with the father. They do inherit with the daughters and the granddaughters through a son when the deceased does not leave a paternal grandfather. Any property that is left over, they are in it as paternal relations. One begins with the people who are allotted fixed shares. They are given their shares. If there is anything left over after that, it belongs to the full siblings. They divide it between themselves according to the Book of Allah, whether they are male or female. The male has a portion of two females. If there is nothing left over, they have nothing. "If the deceased does not leave a father or a paternal grandfather or children or male or female grandchildren through a son, a single full sister gets a half. If there are two or more full sisters, they get two thirds. If there is a brother with them, sisters, whether one or more, do not have a fixed share. One begins with whoever shares in the fixed shares. They are given their shares. Whatever remains after that goes to the full siblings. The male has the portion of two females except in one case, in which the full siblings have nothing. They share in this case the third of the half-siblings by the mother. That case is when a woman dies and leaves a husband, a mother, half- siblings by her mother, and full siblings. The husband has a half. The mother has one sixth. The half-siblings by the mother have a third. Nothing is left after that, so the full siblings share in this case with the half-siblings by the mother in their third. The male has the portion of two females in as much as all of them are siblings of the deceased by the mother. They inherit by the mother. That is because Allah, the Blessed, the Exalted, said in His Book, 'If a man or a woman has no direct heir and he has a brother or a sister, each one of the two gets a sixth. If there are more than that, they share equally in the third. ' (Sura 4 ayat 12) . They therefore share in this case because all of them are siblings of the deceased by the mother."
قَالَ يَحْيَى، قَالَ مَالِكٌ: الْأَمْرُ عِنْدَنَا؛ أَنَّ الْإِخْوَةَ لِلْأَبِ، وَالْأُمِّ لَا يَرِثُونَ مَعَ الْوَلَدِ الذُّكُورِ شَيْئًا، وَلَا مَعَ وَلَدِ الِابْنِ الذَّكَرِ، وَلَا مَعَ الْأَبِ دِنْيًا شَيْئًا. وَهُمْ يَرِثُونَ مَعَ الْبَنَاتِ، وَبَنَاتِ الْأَبْنَاءِ، مَا لَمْ يَتْرُكِ الْمُتَوَفَّى جَدًّا، أَبَا أَبٍ، مَا فَضَلَ مِنَ الْمَالِ، يَكُونُونَ عَصَبَةً، يُبْدَأُ بِمَنْ كَانَ لَهُ أَصْلُ فَرِيضَةٍ مُسَمَّاةٍ، فَيُعْطَوْنَ فَرَائِضَهُمْ، فَإِنْ فَضَلَ بَعْدَ ذلِكَ فَضْلٌ، كَانَ لِلْإِخْوَةِ لِلْأَبِ، وَالْأُمِّ، يَقْتَسِمُونَهُ بَيْنَهُمْ، عَلَى كِتَابِ اللهِ. ذُكْرَانًا كَانُوا، أَوْ إِنَاثًا، لِلذَّكَرِ مِثْلُ حَظِّ الْأُنْثَيَيْنِ، فَإِنْ لَمْ يَفْضُلْ شَيْءٌ، فَلَا شَيْءَ لَهُمْ. [قَالَ]: وَإِنْ لَمْ يَتْرُكِ الْمُتَوَفَّى أَبًا، وَلَا جَدًّا أَبَا أَبٍ، وَلَا وَلَدًا، وَلَا وَلَدَ ابْنٍ، ذَكَرًا كَانَ أَوْ أُنْثَى. فَإِنَّهُ يُفْرَضُ لِلْأُخْتِ الْوَاحِدَةِ لِلْأَبِ وَالْأُمِّ، النِّصْفُ، فَإِنْ كَانَتَا اثْنَتَيْنِ، فَمَا فَوْقَ ذلِكَ مِنَ الْأَخَوَاتِ لِلْأَبِ، وَالْأُمِّ؛ فُرِضَ لَهُنَّ الثُّلُثَانِ، فَإِنْ كَانَ مَعَهُنَّ أَخٌ ذَكَرٌ، فَلَا فَرِيضَةَ لِأَحَدٍ مِنَ الْأَخَوَاتِ. وَاحِدَةً كَانَتْ أَوْ أَكْثَرَ مِنْ ذلِكَ، وَيُبْدَأُ بِمَنْ شَرِكَهُمْ بِفَرِيضَةٍ مُسَمَّاةٍ. فَيُعْطَوْنَ فَرَائِضَهُمْ، فَمَا فَضَلَ بَعْدَ ذلِكَ مِنْ شَيْءٍ، كَانَ بَيْنَ الْإِخْوَةِ لِلْأَبِ وَالْأُمِّ، لِلذَّكَرِ مِثْلُ حَظِّ الْأُنْثَيَيْنِ، إِلَاّ فِي فَرِيضَةٍ وَاحِدَةٍ فَقَطْ. لَمْ يَكُنْ لَهُمْ فِيهَا شَيْءٌ، فَأُشْرِكُوا مَعَ بَنِي الْأُمِّ. وَتِلْكَ الْفَرِيضَةُ: امْرَأَةً تُوُفِّيَتْ، وَتَرَكَتْ زَوْجَهَا، وَأُمَّهَا، وَأَخَوَاتَهَا لِأُمِّهَا، وَإِخْوَتَهَا لِأَبِيهَا وَأُمِّهَا. فَكَانَ لِزَوْجِهَا النِّصْفُ. وَلِأُمِّهَا السُّدُسُ، وَلِإِخْوَتِهَا لِأُمِّهَا الثُّلُثُ. فَلَمْ يَفْضُلْ شَيْءٌ بَعْدَ ذلِكَ، فَيَشْتَرِكُ بَنُو الْأَبِ وَالْأُمِّ فِي هذِهِ الْفَرِيضَةِ، مَعَ بَنِي الْأُمِّ فِي ثُلُثِهِمْ. فَيَكُونُ لِلذَّكَرِ مِثْلُ حَظِّ الْأُنْثَى، مِنْ أَجْلِ أَنَّهُمْ كُلَّهُمْ إِخْوَةُ الْمُتَوَفَّى لِأُمِّهِ. وَإِنَّمَا وَرِثُوا بِالْأُمِّ. وَذلِكَ أَنَّ اللهَ قَالَ: ﴿وَإِن كَانَ رَجُلٌ يُورَثُ كَلالَةً أَوِ اِمْرَأَةٌ وَلَهُ أَخٌ أَو أُخْتٌ فَلِكُلِّ وَاحِدٍ مِنْهُمَا السُّدُسُ فَإِن كَانُوا أَكْثَرَ مِن ذَلِكَ فَهُمْ شُرَكَاءُ فِي الثُّلُثِ﴾ [النساء ٤: ١٢]. فَلِذلِكَ شُرِّكُوا فِي هذِهِ الْفَرِيضَةِ، لِأَنَّهُمْ كُلَّهُمْ إِخْوَةُ الْمُتَوَفَّى لِأُمِّهِ.