(15) باب ابْنَىْ عَمٍّ أَحَدُهُمَا أَخٌ لِلأُمِّ وَالآخَرُ زَوْجٌ
Narrated Ibn `Abbas:
The Prophet (ﷺ) said, "Give the Fara'id (the shares of the inheritance that are prescribed in the Qur'an) to those who are entitled to receive it; and whatever is left should be given to the closest male relative of the deceased."
Reference: Sahih al-Bukhari 6746
In-book reference: Book 85, Hadith 23
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 8, Book 80, Hadith 738