Their story
Abraham (called Abram before his renaming in Genesis 17) is introduced in Genesis 11 as the son of Terah, of the line of Shem, living in Ur of the Chaldeans. In Genesis 12:1-3, the LORD calls Abram out of Ur with the covenant promise that would shape the rest of biblical history: "I will make of thee a great nation, and I will bless thee, and make thy name great; and thou shalt be a blessing... and in thee shall all families of the earth be blessed." Abram travels with his wife Sarai (later Sarah), his nephew Lot, and their households through Canaan into Egypt and back. In Genesis 15 the LORD makes a covenant with Abram, promising him a son of his own body and a posterity as numerous as the stars. Abram's response, "he believed in the LORD; and he counted it to him for righteousness" (Genesis 15:6), became the foundational text for Paul's doctrine of justification by faith in Romans 4 and Galatians 3. In Genesis 17 God renames Abram as Abraham ("father of many nations") and Sarai as Sarah ("princess"), and gives the sign of circumcision as the covenant marker. In Genesis 21 Sarah bears Isaac, the promised son, at ninety years of age. Genesis 22 records the near-sacrifice of Isaac at Moriah, where Abraham is tested and stopped by the angel of the LORD at the last moment; he names the place Jehovah-jireh, "the LORD will provide." Christian tradition reads Genesis 22 as anticipation of the sacrifice of the Son of God. Abraham dies at 175 years of age and is buried with Sarah in the cave of Machpelah (Genesis 25:8-10). His descendants through Isaac and Isaac's son Jacob become the twelve tribes of Israel; his descendants through Ishmael become the twelve princes of the Ishmaelites.
Why they matter
Abraham matters in Christian tradition as the "father of faith" (Romans 4:16) whose trust in God's covenant promise establishes the pattern of justification by faith that Paul develops in Romans and Galatians. The near-sacrifice of Isaac at Moriah (Genesis 22) shapes Christian typological reading of the crucifixion. Jesus's genealogies in Matthew 1 and Luke 3 trace back through Abraham; Jesus himself invokes Abraham repeatedly in the gospels ("Before Abraham was, I am," John 8:58). Across Catholic, Orthodox, Anglican, Lutheran, and Reformed traditions, Abraham stands as the foundational Old Testament figure of Christian faith.
Key Bible passages
What people often get wrong
Abraham did not actually sacrifice Isaac. Genesis 22 records the near-sacrifice interrupted by the angel of the LORD at the last moment; a ram caught in a thicket is provided as the substitute offering.
The name Abraham is given at renaming, not at birth. Genesis 11-16 uses "Abram" ("high father"); Genesis 17:5 records the renaming to Abraham ("father of many nations") at the covenant of circumcision. Sarai is similarly renamed Sarah at the same moment.
Abraham is not the beginning of biblical narrative. Genesis 1-11 records the creation, Fall, flood, and Babel narratives before Abraham's call in Genesis 12. Abraham is the first patriarch of the covenant people, not the first human figure of the biblical story.
Common questions
Who was Abraham in the Bible?
Abraham was the first patriarch of Israel, called by God out of Ur of the Chaldeans in Genesis 12 to become the father of a covenant people. His response of trust in the LORD's promise ("he believed in the LORD; and he counted it to him for righteousness," Genesis 15:6) became the foundational text for Paul's doctrine of justification by faith.
What is Abraham best known for?
Abraham is best known for the covenant call (Genesis 12), the promise of Isaac fulfilled at Sarah's ninety years (Genesis 21), and the near-sacrifice of Isaac at Moriah (Genesis 22). Christian tradition treats him as the "father of faith" (Romans 4:16).
What was the Abrahamic covenant?
The Abrahamic covenant is the promise God made to Abraham in Genesis 12 and formalized in Genesis 15 and 17: a great nation, a great name, a land, and blessing to all families of the earth through his line. The covenant marker is circumcision (Genesis 17).
Why does Abraham matter to Christians?
Abraham is the "father of faith" whose trust in God's promise established the pattern of justification by faith Paul develops in Romans and Galatians. The near-sacrifice of Isaac at Moriah shapes Christian typology of the crucifixion, and Jesus's genealogies trace back through Abraham.