It is narrated from Khashkhash al-Anbari (may Allah be pleased with him); he said: I came to the Messenger of Allah (peace and blessings be upon him) with my son, and the Messenger of Allah (peace and blessings be upon him) said: "You will not be held to account for his (offence), nor will he be held to account for yours."
Hadith Referenceالمعجم الكبير للطبراني / باب الخاء / 4162