The Prophet ﷺ ; was asked about the offspring of the pagans. He said, "Allah knows what they would have done (were they to live). (Using translation from Bukhārī 6597)  

سُئِلَ رَسُولُ اللهِ ﷺ عَنْ أَوْلَادِ الْمُشْرِكِينَ فَقَالَ «اللهُ أَعْلَمُ بِمَا كَانُوا بِهِ عَامِلِينَ»  

Allah knows best about what they were doing. (Using translation from Abū Dāʾūd 4711)  

أَنَّ النَّبِيَّ ﷺ سُئِلَ عَنْ أَوْلَادِ الْمُشْرِكِينَ فَقَالَ «اللهُ أَعْلَمُ بِمَا كَانُوا بِهِ عَامِلِينَ»  

"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."' (Using translation from Nasāʾī 1951)  

سُئِلَ رَسُولُ اللهِ ﷺ عَنْ أَوْلَادِ الْمُشْرِكِينَ فَقَالَ «خَلَقَهُمُ اللهُ حِينَ خَلَقَهُمْ وَهُوَ يَعْلَمُ مَا كَانُوا عَامِلِينَ»  

"The Messenger of Allah was asked about he children of the idolators and he said: 'Allah knows best what they would have done."' (Using translation from Nasāʾī 1952)  

سُئِلَ رَسُولُ اللهِ ﷺ عَنْ ذَرَارِيِّ الْمُشْرِكِينَ فَقَالَ «اللهُ أَعْلَمُ بِمَا كَانُوا عَامِلِينَ»