Hadith 3049
Mishkat al-Masabih
Inheritance and Wills · Shares of Inheritance - Section 2
Arabic
وَعَنْ بُرَيْدَةَ: أَنَّ النَّبِيَّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ جَعَلَ لِلْجَدَّةِ السُّدُسَ إِذَا لَمْ تَكُنْ دونهَا أم. رَوَاهُ أَبُو دَاوُد
English translation
Buraida said that the Prophet (ﷺ) appointed a sixth to a grandmother if no mother is left to inherit before her. Abu Dawud transmitted it.