Sunan Abi Dawud 4711
سنن أبي داود#4711SahihIbn ‘Abbas reported that when the Prophet (May peace be upon him) was questioned about the offspring of polytheists, he said :Allah knows best about what they were doing
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Zubair Ali ZaiSahih Bukhari (1383) Sahih Muslim (2660)
In-book reference: 42:116