Sunan an-Nasa'i 1951
سنن النسائي#1951SahihIt was narrated that Ibn 'Abbas said:"The Messenger of Allah was asked about the children of the idolators and he said: 'Allah created them when He created them, and He 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 Isnaad
Al-AlbaniSahih Isnaad
Zubair Ali ZaiSahih - Agreed Upon
In-book reference: 21:134