Genesis 21:2-4

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2} ^(A)So Sarah conceived and bore a son to Abraham in his old age, at ^(B)the appointed time of which God had spoken to him. ^{Tools
3} Abraham called the name of his son who was born to him, whom Sarah bore to him, ^(C)Isaac. ^{Tools
4} Then Abraham circumcised his son Isaac when he was ^(D)eight days old, as God had commanded him.

Cross references:

A. Genesis 21:2: Acts 7:8; Galatians 4:22; Hebrews 11:11

B. Genesis 21:2: Genesis 17:21; Genesis 18:10; Genesis 18:14

C. Genesis 21:3: Genesis 17:19; Genesis 17:21

D. Genesis 21:4: Genesis 17:12; Acts 7:8