Isaac

Abraham

Abraham is the father of Isaac, and their relationship is central to the story of faith and sacrifice in the biblical narrative.

Concerning the twins Esau and Jacob, who were very unlike each other both in their character and actions

Father of Esau and Jacob, though not directly named in the excerpt, he is the father of the twins.

Book XV: The Progress of the Two Cities

Son of Abraham and Sarah, born according to the promise, a type of the children of the free woman.

Of the children of the flesh and the children of the promise

Son of the free woman Sarah, born according to promise, representing the children of promise.

That Sarah’s barrenness was made productive by God’s grace

Child of promise, typifying the children of grace and citizens of the free city.

XIV

Mentioned as living 180 years of the same length.

XXIV

Mentioned as the seed of Abraham and the birth from which the 400 years are reckoned.

Of the three men or angels, in whom the Lord is related to have appeared to Abraham at the oak of Mamre

Isaac is the promised son of Abraham and Sarah, through whom the nation of Israel and all nations are blessed.

Of Isaac, who was born according to the promise, whose name was given on account of the laughter of both parents.

Son born according to God's promise; his name means 'laughter'.

Of Abraham's Obedience and Faith, Proved by the Offering of Isaac, and of Sarah's Death

The beloved son offered in sacrifice, who carries the wood for the offering, prefiguring Christ carrying His cross.

Of Rebecca, the granddaughter of Nahor, whom Isaac took to wife

Took Rebecca as his wife at age forty, three years after his mother's death.

Chapter XXXIV: On Abraham's Marriage to Keturah After Sarah's Death

Son of Abraham and Sarah, inherits the whole estate and represents the children of promise.

Chapter XXXV

Father of the twins Esau and Jacob; prayed for his barren wife Rebecca.

Of the oracle and blessing which Isaac received, just as his father did, being beloved for his sake.

Receives an oracle and blessing from God, similar to his father Abraham; remains faithful and obedient, content with his one wife.

Chapter XXXVII: Of the things mystically prefigured in Esau and Jacob

Isaac, grown old and blind, blesses Jacob instead of Esau, unknowingly prophesying Christ.

Of Jacob’s mission to Mesopotamia to get a wife, and of the vision which he saw in a dream by the way, and of his getting four women when he sought one wife.

Jacob's father, who blesses him and sends him to Mesopotamia to take a wife, conferring the blessing of Abraham.

Of the blessing which Jacob promised in Judah his son

Isaac is the son of Abraham through whom the lineage to Christ continues, excluding Esau.

XLII

Mentioned as the father of Esau and Jacob, whose sons also typified the two peoples.

The Fulfillment of God's Promise Concerning the Land of Canaan

One of the three fathers to whom the promises were made.

Of the threefold meaning of the prophecies

Mentioned alongside Abraham and Jacob as recipients of divine oracles.

III

Son of Abraham, born when Abraham was 100 years old; father of Esau and Jacob at age 60.

Of the times of Jacob and his son Joseph

Isaac dies at 180 years old, leaving his twin sons Jacob and Esau at 120 years old.

Of the predictions concerning the salvation of the world in Christ, in Obadiah, Nahum, and Habakkuk

Father of the twin sons Jacob and Esau, mentioned in the context of Obadiah's prophecy.

Chapter XXXIX: About the Hebrew Written Characters Which That Language Always Possessed

Isaac is listed among the patriarchs who lived before the Egyptian sages and philosophers.