"The Messenger of Allah ﷺ gave the first grandmother, along with her son, a sixth for them to consume while her son was living."  

فِي الْجَدَّةِ مَعَ ابْنِهَا إِنَّهَا أَوَّلُ جَدَّةٍ أَطْعَمَهَا رَسُولُ اللَّهِ ﷺ سُدُسًا مَعَ ابْنِهَا وَابْنُهَا حَىٌّ