Sunan an-Nasa'i 1949
سنن النسائي#1949SahihIt was narrated that Abu Hurairah said:"The Messenger of Allah was asked about the children of the idolators and he said: 'Allah knows best what they would have done
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih - Agreed Upon
In-book reference: 21:132