Genesis 21:4

The Birth Of Isaac

³ And Abraham gave to his son, to whom Sarah had given birth, the name Isaac. ⁴ And when his son Isaac was eight days old, Abraham made him undergo circumcision, as God had said to him. ⁵ Now Abraham was a hundred years old when the birth of Isaac took place.

God Commanded

Abraham

Isaac

Acts 7:8

And he made with him the agreement of which circumcision was the sign. And so Abraham had a son, Isaac, and gave him circumcision on the eighth day; and Isaac had a son, Jacob, and Jacob was the father of the twelve heads of the families of Israel.

Genesis 17:10-12

And this is the agreement which you are to keep with me, you and your seed after you: every male among you is to undergo circumcision.

Exodus 12:48

And if a man from another country is living with you, and has a desire to keep the Passover to the Lord, let all the males of his family undergo circumcision, and then let him come near and keep it; for he will then be as one of your people; but no one without circumcision may keep it.

Leviticus 12:3

And on the eighth day let him be given circumcision.

Deuteronomy 12:32

You are to keep with care all the words I give you, making no addition to them and taking nothing from them.

Luke 1:6

They were upright in the eyes of God, keeping all the rules and orders of God, and doing no wrong.

Luke 1:59

And on the eighth day they came to see to the circumcision of the child, and they would have given him the name of Zacharias, his father's name;

Luke 2:21

And when, after eight days, the time came for his circumcision, he was named Jesus, the name which the angel had given to him before his birth.

John 7:22-23

Moses gave you circumcision--not that it comes from Moses, but from the fathers--and even on the Sabbath you give a child circumcision.