BUKHARI 6656: from Abū Hurayrah —

Messenger of Allah ﷺ said, "Any Muslim who has lost three of his children will not be touched by the Fire except that which will render Allah's oath fulfilled."

البخاري ٦٦٥٦: عن ابو هريره —

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ لاَ يَمُوتُ لأَحَدٍ مِنَ الْمُسْلِمِينَ ثَلاَثَةٌ مِنَ الْوَلَدِ تَمَسُّهُ النَّارُ إِلاَّ تَحِلَّةَ الْقَسَمِ


Sound (Bukhārī)
Bukhārī > Oaths and Vows > § "They swear by Allah their strongest oaths that ..."
hadithunlocked.com