´It 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."'
Hadith ReferenceSunan an-Nasa'i / The Book of Funerals / Hadith: 1952
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:إسناده صحيح