from his father, from his grandfather that the Prophet ﷺ ordered naming the child on the seventh day, removing the harm from him, and Al-'Aqq (removing the hair and slaughtering the animal for 'Aqiqah).  

أَنَّ النَّبِيَّ ﷺ أَمَرَ بِتَسْمِيَةِ الْمَوْلُودِ يَوْمَ سَابِعِهِ وَوَضْعِ الأَذَى عَنْهُ وَالْعَقِّ