Genesis 21:4

New Revised Standard Version Catholic Interconfessional

And Abraham circumcised his son Isaac when he was eight days old, as God had commanded him.

Cross References

Exodus 12:48

If an alien who resides with you wants to celebrate the passover to the Lord, all his males shall be circumcised; then he may draw near to celebrate it; he shall be regarded as a native of the land. But no uncircumcised person shall eat of it;

Leviticus 12:3

On the eighth day the flesh of his foreskin shall be circumcised.

Luke 1:59

On the eighth day they came to circumcise the child, and they were going to name him Zechariah after his father.

Luke 1:6

Both of them were righteous before God, living blamelessly according to all the commandments and regulations of the Lord.

Luke 2:21

After eight days had passed, it was time to circumcise the child; and he was called Jesus, the name given by the angel before he was conceived in the womb.

Acts 7:8

Then he gave him the covenant of circumcision. And so Abraham became the father of Isaac and circumcised him on the eighth day; and Isaac became the father of Jacob, and Jacob of the twelve patriarchs.

Deuteronomy 12:32

You must diligently observe everything that I command you; do not add to it or take anything from it.