Sahih Muslim Book: 20, Hadith: 3817

وَحَدَّثَنِي حَرْمَلَةُ بْنُ يَحْيَى، أَخْبَرَنَا ابْنُ وَهْبٍ، أَخْبَرَنِي يُونُسُ، عَنِ ابْنِ شِهَابٍ، أَخْبَرَنِي سَهْلُ بْنُ سَعْدٍ الأَنْصَارِيُّ، أَنَّ عُوَيْمِرًا الأَنْصَارِيَّ، مِنْ بَنِي الْعَجْلاَنِ أَتَى عَاصِمَ بْنَ عَدِيٍّ ‏.‏ وَسَاقَ الْحَدِيثَ بِمِثْلِ حَدِيثِ مَالِكٍ وَأَدْرَجَ فِي الْحَدِيثِ قَوْلَهُ وَكَانَ فِرَاقُهُ إِيَّاهَا بَعْدُ سُنَّةً فِي الْمُتَلاَعِنَيْنِ ‏.‏ وَزَادَ فِيهِ قَالَ سَهْلٌ فَكَانَتْ حَامِلاً فَكَانَ ابْنُهَا يُدْعَى إِلَى أُمِّهِ ‏.‏ ثُمَّ جَرَتِ السُّنَّةُ أَنَّهُ يَرِثُهَا وَتَرِثُ مِنْهُ مَا فَرَضَ اللَّهُ لَهَا ‏.‏ Sahl b. Sa’d reported.. ‘Uwaimir al-Ansari (Allah be pleased with him) from Banu’l-‘Ajlan came to ‘Asim b. ‘Adi (Allah be pleased with him) the remaining part of the hadith is the same and it was also reecorded in it: ” And subsequebtly the separation became the practice of al-Mutala’inain.” And this addition was also made:” She was pregnant and her son was ascribed to her, and it became customary that such (a son) would inherit h