AbuJubair bin Hayyah narrated that he heard Mughirah bin Shu'bahsay:
"I heard the Messenger of Allah (ﷺ) say: 'The (funeral) prayershould be offered for a child.'" (AR)
English reference (AR): Vol. 1, Book 6, Hadith 1507 (AR)
Arabic reference (AR): Book 6, Hadith 1574 (AR)