Luke 1:59
And it fortuned, the eighth day they came to circumcise the child: and called his name Zacharias after the name of his father,
Genesis 17:12
And every manchild when it is eight days old, shall be circumcised among you in your generations, and all servants also born at home or bought with money, though they be strangers and not of thy seed.
Leviticus 12:3
And in the eighth day the flesh of the child's foreskin shall be cut away.
Luke 2:21
And when the eighth day was come that the child should be circumcised, his name was called Jesus, which was named of the angel before he was conceived in the mother's womb.
Philippians 3:5
circumcised the eighth day, of the kindred of Israel, of the tribe of Benjamin, an Hebrew born of the Hebrews; as concerning the law, a Pharisee,
Genesis 21:3-4
And Abraham called his son's name that was born unto him, which Sara bare him, Isaac:
Acts 7:8
And he gave him the covenant of circumcision, and he begat Isaac, and circumcised him the eighth day, and Isaac begat Jacob, and Jacob the twelve patriarchs.