Genesis 21:4
And Avraham circumcised bno Yitzchak at age shemonat yamim, as Elohim had commanded him.
Orthodox Jewish Bible
In The King James Version
And Abraham circumcised his son Isaac being eight days old, as God had commanded him.
In Context
3And Avraham called the shem of bno that was born unto him, whom Sarah bore to him, Yitzchak.
5And Avraham was a hundred years old, when bno Yitzchak was born unto him.
Cross References
Genesis 17:10This is My Brit (covenant), which ye shall be shomer over, between Me and you and thy zera after thee; every zachar among you shall be circumcised.
Exodus 12:48And when a ger shall sojourn with thee, and will keep the Pesach unto Hashem, let all his zachar receive bris milah, and then let him come near and keep it; and he shall be as one that is native born in ha'aretz; for no arel (uncircumcised person) shall eat thereof.
Luke 1:59And it came about on the yom hashemini (the eighth day) they came for the bris milah of the yeled, and they were calling him by the name of his abba, Zecharyah.
John 7:22Moshe has given you bris milah not that bris milah is of Moshe, but it is of the Avot, and on a Shabbos you perpetually perform bris milah. + 7:22 Gn 17:10-14; 21:4; Lv 12:3
Matthew Henry on Genesis 21:2-9
The Birth of Isaac. ( b. c. 1897.) 1 And the Lord visited Sarah as he had said, and the Lord did unto Sarah as he had spoken. 2 For Sarah conceived, and bare Abraham a son in his old age, at the set time of which God had spoken to him. 3 And Abraham called the name of his son that was born unto him, whom Sarah bare to him, Isaac. 4 And Abraham circumcised his son Isaac being eight days old, as God had commanded him. 5 And Abraham was an hundred years old, when his son Isaac was born unto him. 6 And Sarah said, God… Read the whole commentary →