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

Contemporary English Version
and when the boy was eight days old, Abraham circumcised him, just as God had commanded.

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

Douay-Rheims Bible
And he circumcised him the eighth day, as God had commanded him,

And he circumcised him the eighth day, as God had commanded him,

Genesis 17:10-12 This is my covenant which you shall observe between me and you, and thy seed after thee: All the male-kind of you shall be circumcised. . . .

Exodus 12:48 And if any stranger be willing to dwell among you, and to keep the Phase of the Lord, all his males shall first be circumcised, and then shall he celebrate it according to the manner: and he shall be as he that is born in the land: but if any man be uncircumcised, he shall not eat thereof.

Leviticus 12:3 And on the eighth day the infant shall be circumcised:

Deuteronomy 12:32 What I command thee, that only do thou to the Lord: neither add any thing, nor diminish.

Luke 1:6,59 And they were both just before God, walking in all the commandments and justifications of the Lord without blame. . . .

Luke 2:21 And after eight days were accomplished, that the child should be circumcised, his name was called JESUS, which was called by the angel before he was conceived in the womb.

John 7:22,23 Therefore, Moses gave you circumcision (not because it is of Moses, but of the fathers): and on the sabbath day you circumcise a man. . . .

Acts 7:8 And he gave him the covenant of circumcision. And so he begot Isaac and circumcised him the eighth day: and Isaac begot Jacob: and Jacob, the twelve patriarchs.