The quick answer
Who was Isaac in the Bible?
Isaac was the son of Abraham and Sarah, the husband of Rebekah, and the father of Esau and Jacob. Born when his parents were old, he inherited God’s covenant promises, spent his life in Canaan, prayed through twenty years of childlessness, reopened his father’s wells, and often moved rather than escalating disputes. Genesis also records his fear, favoritism, failing eyesight, death at 180, and burial by both sons.
A name shaped by surprise and joy
What does the name Isaac mean?
Isaac comes from a Hebrew verb meaning “to laugh” and is commonly translated “he laughs” or “he will laugh.” Abraham laughs when he hears the promise, Sarah laughs at the announcement, and after the birth she says that God has made laughter for her.
Five turning points with exact references
Isaac’s life from promised child to patriarch
This timeline provides the character overview while the sacrifice and Jacob–Esau narratives remain on their dedicated story pages.
Genesis 17:19; 21:1–7
Isaac is named before birth and born to Sarah
Genesis 22:1–19
Isaac carries the wood toward Moriah
Genesis 24:1–67; 25:20
Isaac marries Rebekah at forty
Genesis 25:21–26
Esau and Jacob are born when Isaac is sixty
Genesis 26:1–33; 35:28–29
Isaac reopens wells and later dies at 180
Genesis gives his lifespan directly
How did Isaac die, and who buried him?
The Bible does not state Isaac’s cause of death. Genesis says he died at 180, old and full of days, and was gathered to his people. Esau and Jacob buried him, bringing the rival brothers together again at their father’s death.
Isaac’s family tree
Abraham, Sarah, Rebekah, Esau, and Jacob
Rebekah
Bethuel’s daughter came from the extended family in Aram and married Isaac at forty.
Esau
A skillful hunter favored by Isaac, later associated with Edom.
Jacob
Rebekah’s favored son received the blessing intended for Esau and was later named Israel.
Ishmael
Abraham’s older son; Ishmael and Isaac together buried their father.
The ages Genesis actually states
How old was Isaac?
Isaac married at forty, became a father at sixty, and died at 180. Genesis gives no exact age for him during the binding on Moriah, so a responsible profile keeps stated ages separate from later calculations and traditions.
40 years old
Isaac is forty when he marries Rebekah.
60 years old
Esau and Jacob are born after twenty years of marriage.
Age not stated
Speech and wood-carrying do not establish a precise age.
180 years old
Isaac has the longest stated lifespan of the three patriarchs.
Water, conflict, and room to live
Why are Isaac’s wells important?
Genesis 26 gives Isaac a sustained narrative beyond his father’s and sons’ stories. The wells trace escalating disputes, repeated withdrawal, eventual space, worship at Beersheba, and a covenant with Abimelech.
Esek
Gerar’s herders quarrel with Isaac’s herders over this well.
Genesis 26:19–20Sitnah
Opposition follows at a second well, and Isaac moves again.
Genesis 26:21Rehoboth
With no quarrel at the next well, Isaac says that God has made room for them.
Genesis 26:22Shibah
After worship and a covenant at Beersheba, Isaac’s servants report finding water.
Genesis 26:23–33Text, inference, and later tradition
Three popular Isaac claims the Bible does not settle
Isaac’s age at the binding
Genesis 22 supplies actions and dialogue but no number.
Genesis 22:1–19Rebekah’s age at marriage
Isaac’s age is forty; Rebekah’s age is never given.
Genesis 24; 25:20The servant’s name in Genesis 24
The chapter calls him Abraham’s senior servant but never names him Eliezer.
Genesis 24:2Exact ages from chronology
Later interpreters propose numbers, but those reconstructions should be labeled as tradition or inference.
Not explicit biblical dataA quieter patriarch, not a flawless one
What was Isaac’s character like?
Isaac is often less active than Abraham, Rebekah, or Jacob, but Genesis still gives him meaningful choices. He prays, worships, digs, yields disputed ground, repeats his father’s fearful deception, and participates in family favoritism. The result is a restrained but complex portrait.
Isaac prayed for Rebekah.
After a long period without children, Isaac petitions God and Rebekah conceives the twins.
Genesis 25:20–26Isaac often withdrew from conflict over wells.
He moves from disputed wells until his household finds room at Rehoboth and peace at Beersheba.
Genesis 26:17–33Isaac also acted from fear and showed favoritism.
He calls Rebekah his sister in Gerar and later loves Esau particularly for the game he brings.
Genesis 26:7–11; 25:28Hebrews remembers Isaac’s forward-looking blessing.
Later Scripture includes Isaac among people whose faith looked toward what was still to come.
Hebrews 11:20Biography and stories stay distinct
Continue Isaac’s stories without reading them twice
Abraham in the Bible
Explore Abraham’s covenant, family, eight sons, faith, death, and burial.
Meet Abraham →Mother’s profileSarah in the Bible
Read Sarah’s name change, age, relationships, faith, death, and burial.
Meet Sarah →Genesis 22Abraham and Isaac Story
Follow the complete journey to Moriah, the binding, the angel, and the provided ram.
Read the full story →Genesis 25–33Jacob and Esau Story
Continue with the birthright, Isaac’s blessing, separation, and reunion.
Read the full story →A deliberate content boundary
What this Isaac profile owns
Identity, name, family, and ages
Parents, wife, sons, half-brother, milestones, death, and burial belong here.
Profile ownershipWells, covenant, character, and importance
The page explains Isaac’s own Genesis 26 narrative and later biblical significance.
Profile ownershipThe binding stays on its story page
This profile answers the age question and links out instead of retelling Moriah.
Abraham and Isaac ownershipThe twins’ conflict stays separate
The birthright, disguised blessing, and reunion receive only concise context here.
Jacob and Esau ownershipThis profile owns Isaac in the Bible and related identity searches. The Abraham and Isaac and Jacob and Esau pages retain their complete narratives.