The Prophet (ﷺ) said, "No Muslim whose three children died will go to the Fire except for Allah's oath (i.e. everyone has to pass over the bridge above the lake of fire)."
Sahih al-Bukhari Book 23, Hadith 13
← Previous Hadith The women requested the Prophet, "Please fix a day for us." So the Prophet (ﷺ) preached to them and said, "A woman whose three children died would be screened from the Hell Fire by them," Hearing that, a woman asked, "If two died?" The Prophet (ﷺ) replied, "Even two (would screen her from the (Hell) Fire. " And Abu Huraira added, "Those children should be below the age of puberty. "

Sahih al-Bukhari Book 23, Hadith 12 Next Hadith → The Prophet (ﷺ) passed by a woman who was sitting and weeping beside a grave and said to her, "Fear Allah and be patient."

Sahih al-Bukhari Book 23, Hadith 14