Sahih Muslim
2659.01

Abu Huraira reported Allah's Messenger (ﷺ) as saying:The mother of every person gives him birth according to his true nature. It is subsequently his parents who make him a Jew or a Christian or a Magian. Had his parents been Muslim he would have also remained a Muslim. Every person to whom his mother gives birth (has two aspects of his life) ; when his mother gives birth Satan strikes him but it was not the case with Mary and her son (Jesus Christ)

2659.02

Abu Huraira reported that Allah's Messenger (ﷺ) was asked about the children of the polytheists, whereupon he said:It is Allah Who knows best what they would be doing

2659.03

This hadith has been transmitted on the authority of Shu'aib and Ma'qil with a slight variation of wording