Genesis 21:5

5 Avraham was one hundred years old when his son, Yitzchak, was born to him.

Genesis 21:5 Meaning and Commentary

Genesis 21:5

And Abraham was an hundred years old when son Isaac was born
unto him.
] So that this was years after his departure from Haran, and coming into the land of Canaan, for then he was seventy five years of age, ( Genesis 12:4 ) ; and this exactly agrees with the account of Demetrius, as related by Polyhistor, an Heathen writer ^F15, who makes Isaac to be born just twenty five years from Abraham's coming into the land of Canaan, and who must be now an hundred years old, being ninety nine at the time the Lord appeared unto him, and promised him a son at the set time the next year, ( Genesis 17:1 Genesis 17:21 ) . This is observed, both to show the wonderful favour to Abraham, and the faithfulness of God in the exact performance of his promise: according to Bishop Usher ^F16, Isaac was born A. M. 2108, and before Christ 1896, and probably at Beersheba, see ( Genesis 21:33 Genesis 21:34 ) .

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FOOTNOTES:

F15 Apud Euseb. Praepar. Evangel. l. 9. c. 21. p. 425.
F16 Annales Vet. Test. p. 9.

Genesis 21:5 In-Context

3 Avraham called his son who was born to him, whom Sarah bare to him, Yitzchak.

4 Avraham circumcised his son, Yitzchak, when he was eight days old, as God had commanded him.

5 Avraham was one hundred years old when his son, Yitzchak, was born to him.

6 Sarah said, "God has made me laugh. Everyone who hears will laugh with me."

7 She said, "Who would have said to Avraham, that Sarah would nurse children? For I have borne him a son in his old age."