Shares of Inheritance (Kitab Al-Fara'id)
Dawud :: Book 18 : Hadith 2891
Narrated Ma'qil ibn Yasar:
Al-Hasan reported that Umar asked: Which of your knows what share the Apostle of Allah (peace_be_upon_him) had given to the grandfather from the estate? Ma'qil ibn Yasar said: The Apostle of Allah (peace_be_upon_him) gave him a sixth. He asked: Along with whom? He replied: I do not know. He said: You do not know; what is the use then?