Yes, the Messenger of Allah ﷺ said, "There are no two Muslim parents between whom three children die before reaching the age of accountability except that Allah will forgive them both, by virtue of His mercy toward those children."
أخبرنا إسمعيل بن مسعود قال حدثنا بشر بن المفضل عن يونس عن الحسن عن صعصعة بن معاوية قال لقيت
نعم قال رسول الله ﷺ ما من مسلمين يموت بينهما ثلاثة أولاد لم يبلغوا الحنث إلا غفر الله لهما بفضل رحمته إياهم
Sourcing, sahih. Ahmad narrated it, 5/151, from the hadith of Yunus bin Ubayd, and Jareer bin Hazim corroborated him, "Hasan narrated to us," with the same wording, Sahih Ibn Hibban (Mawarid), no. 1649, where it is narrated at length, and it is also in the Kubra, no. 2002. Hasan Basri stated explicitly that he heard it directly, as found in Ahmad, 5/159.