Genesis 21:4

New American Bible - revised edition

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

Cross References

Exodus 12:48

If any alien residing among you would celebrate the Passover for the Lord, all his males must be circumcised, and then he may join in its celebration just like the natives. But no one who is uncircumcised may eat of it.

Leviticus 12:3

On the eighth day, the flesh of the boy’s foreskin shall be circumcised,

Luke 1:59

When they came on the eighth day to circumcise the child, they were going to call him Zechariah after his father,

Luke 1:6

Both were righteous in the eyes of God, observing all the commandments and ordinances of the Lord blamelessly.

Luke 2:21

When eight days were completed for his circumcision, he was named Jesus, the name given him by the angel before he was conceived in the womb. The Presentation in the Temple.

Acts 7:8

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