The Messenger of Allah ﷺ said, "Whoever sends ahead three children who have not yet reached the age of accountability, they will be a strong fortress for him against the Fire."Abu Dharr said, "I have sent ahead two."He replied, "And two as well."Then Ubayy bin Kaab, the master of the reciters, said, "I have sent ahead one."He replied, "And one as well."
حدثنا نصر بن علي الجهضمي حدثنا إسحق بن يوسف عن العوام بن حوشب عن أبي محمد مولى عمر بن الخطاب عن أبي عبيدة
قال رسول الله ﷺ من قدم ثلاثة من الولد لم يبلغوا الحنث كانوا له حصنا حصينا من النار فقال أبو ذر قدمت اثنين قال واثنين فقال أبي بن كعب سيد القراء قدمت واحدا قال وواحدا
[Its chain is daif] Tirmidhi narrated it, Funerals, chapter on what has been mentioned about the reward of one who has a child pass away before him, no. 1061, from Nasr with this wording. He said it is unusual (gharib), and Abu Ubayda did not hear from his father. See also no. 1478. And Abu Muhammad, the freed slave of Umar, is unknown, as stated in Taqrib.