Hadith 1874
أَخْبَرَنَا إِسْمَاعِيلُ بْنُ مَسْعُودٍ، قَالَ حَدَّثَنَا بِشْرُ بْنُ الْمُفَضَّلِ، عَنْ يُونُسَ، عَنِ الْحَسَنِ، عَنْ صَعْصَعَةَ بْنِ مُعَاوِيَةَ، قَالَ لَقِيتُ أَبَا ذَرٍّ قُلْتُ حَدِّثْنِي . قَالَ نَعَمْ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " مَا مِنْ مُسْلِمَيْنِ يَمُوتُ بَيْنَهُمَا ثَلاَثَةُ أَوْلاَدٍ لَمْ يَبْلُغُوا الْحِنْثَ إِلاَّ غَفَرَ اللَّهُ لَهُمَا بِفَضْلِ رَحْمَتِهِ إِيَّاهُمْ " .
It was narrated that Sa'sa'ah bin Mu'awiyah said:"I met Abu Dharr and said: 'Tell me a Hadith.' He said: the Messenger of Allah said: There are no two Muslims, three of whose children die before reaching puberty, but Allah will forgive them by virtue of His mercy towards them
Sahih (Abu Ghuddah)
Sunan an-Nasaʾi 1874 · Book 21, Hadith 57