Genesis 21:2

English Standard Version

2 And Sarah conceived and bore Abraham a son in his old age at the time of which God had spoken to him. (Ge 17:21; Ga 4:22; Heb 11:11) 

New International Version

2 Sarah became pregnant and bore a son to Abraham in his old age, at the very time God had promised him. 

New International Reader’s Version

2 Sarah became pregnant. She had a son by Abraham when he was old. The child was born at the exact time God had promised. 

King James Version

2 For Sarah conceived, and bare Abraham a son in his old age, at the set time of which God had spoken to him. 

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