It wasnarrated that Ma'qil bin Yasar Al-Muzani said:
"I heard theProphet (ﷺ) when a case was brought to him which involved the shareof a grandfather. He gave him one third, or one sixth." (PT)
English reference (PT): Vol. 4, Book 23, Hadith 2722 (PT)
Arabic reference (PT): Book 23, Hadith 2826 (PT)