Isaac in the Bible: Meaning, Wife, Sons & Age

ParentsAbraham & Sarah

WifeRebekah

SonsEsau & Jacob

Age at death180

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. God promised to continue his covenant through Isaac and later repeated the promise to him in Canaan. Isaac prayed for Rebekah when they had no children and moved away from disputed wells. His family life also included fear, favoritism, and deception over his blessing. He died at 180 and was buried 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. See Genesis 17:17–19; 18:9–15; 21:6.

צָחַקtsachaqto laugh

יִצְחָקYitschaqhe laughs

From Genesis 17 to Genesis 35

Isaac’s life from promised child to patriarch

Isaac’s life includes more than Moriah: Genesis also follows his marriage, the birth of his sons, conflict over wells, and the blessing of the next generation.

Genesis 17:19; 21:1–7

Isaac is named before birth and born to Sarah

God tells Abraham to name the promised child Isaac. Abraham gives him that name at birth, when Abraham is one hundred and Sarah is ninety.

Genesis 22:1–19

Isaac carries the wood toward Moriah

Isaac carries the wood and asks his father where the lamb is. Abraham binds him, but the angel stops Abraham from killing him, and a ram is offered instead. Isaac’s age is not stated.

Genesis 24:1–67; 25:20

Isaac marries Rebekah at forty

Abraham’s senior servant brings Rebekah to Canaan. Isaac loves her and is comforted after Sarah’s death.

Genesis 25:21–26

Esau and Jacob are born when Isaac is sixty

God answers Isaac’s prayer for Rebekah, and she conceives twins. Isaac’s stated ages place their birth twenty years after the marriage; Genesis does not say how long he had been praying.

Genesis 26:1–33

God renews the promise during conflict over wells

Isaac stays in the land as God commands, reopens his father’s wells, and has new ones dug. After disputes at Esek and Sitnah, he finds room at Rehoboth and later makes peace with Abimelech at Beersheba.

Genesis 27:1–40; 28:1–5

Isaac blesses his sons

Jacob deceives Isaac, who can no longer see, and receives the blessing intended for Esau. Isaac then speaks about Esau’s future. Before Jacob leaves, Isaac knowingly gives him Abraham’s blessing.

Genesis 35:27–29

Isaac dies at 180

Jacob returns to his father at Mamre, near Hebron. Genesis records Isaac’s death at 180 and says Esau and Jacob buried him.

180years

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

Abraham & Sarahparents ofIsaac

Wife

Rebekah

Bethuel’s daughter came from Abraham’s extended family in Aram. Isaac was forty when they married; her age is not given.

Older twin

Esau

A skillful hunter favored by Isaac, later associated with Edom.

Younger twin

Jacob

Rebekah’s favored son received the blessing intended for Esau and was later named Israel.

Half-brother

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. His age during the binding on Moriah is not given. Although he carries the wood and speaks with Abraham, those actions do not tell us exactly how old he was.

MarriageGenesis 25:20

40 years old

Isaac is forty when he marries Rebekah.

FatherhoodGenesis 25:26

60 years old

Esau and Jacob are born after twenty years of marriage.

BindingGenesis 22:1–19

Age not stated

Speech and wood-carrying do not establish a precise age.

DeathGenesis 35:28

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?

Water was essential for Isaac’s household and livestock. The Philistines had filled in his father’s wells, and the herders of Gerar claimed the water from a new one. Isaac reopened the old wells and had others dug, moving on when disputes continued. The chapter ends with worship, an agreement with Abimelech, and news that his servants have found water.

Genesis 26 well

Esek

Gerar’s herders quarrel with Isaac’s herders over this well.

Genesis 26:19–20

Genesis 26 well

Sitnah

Opposition follows at a second well, and Isaac moves again.

Genesis 26:21

Genesis 26 well

Rehoboth

With no quarrel at the next well, Isaac says that God has made room for them.

Genesis 26:22

Genesis 26 well

Shibah

After worship and a covenant at Beersheba, Isaac’s servants report finding water.

Genesis 26:23–33

Text, inference, and later tradition

Three popular Isaac claims the Bible does not settle

Not stated

Isaac’s age at the binding

Genesis 22 supplies actions and dialogue but no number.

Genesis 22:1–19

Not stated

Rebekah’s age at marriage

Isaac’s age is forty; Rebekah’s age is never given.

Genesis 24; 25:20

Not stated

The servant’s name in Genesis 24

The chapter calls him Abraham’s senior servant but never names him Eliezer.

Genesis 24:2

Prayer, fear, and family favoritism

What was Isaac’s character like?

Isaac’s willingness to leave disputed wells contrasts with his fear in Gerar, where he conceals his marriage to Rebekah. At home, his preference for Esau contributes to a divided household. Hebrews 11:20 nevertheless remembers his faith in blessing both sons concerning their future.

Text

Isaac prayed for Rebekah.

After a long period without children, Isaac petitions God and Rebekah conceives the twins.

Genesis 25:20–26

Text

Isaac often withdrew from conflict over wells.

He moves from disputed wells until his household finds room at Rehoboth and peace at Beersheba.

Genesis 26:17–33

Text

Isaac also acted from fear and showed favoritism.

He calls Rebekah his sister because he fears being killed. Genesis also says he loves Esau because he enjoys the game Esau brings.

Genesis 26:7–11; 25:28

Text

Hebrews remembers Isaac’s forward-looking blessing.

Later Scripture includes Isaac among people whose faith looked toward what was still to come.

Hebrews 11:20

Follow the people and passages

Isaac between two generations

Read Abraham and Isaac for the journey to Moriah. Later, Isaac’s household becomes the setting for the conflict between Jacob and Esau; Rebekah plays a decisive part in both the family’s formation and its divisions.

Father’s profile

Abraham in the Bible

Explore Abraham’s covenant, family, eight sons, faith, death, and burial.

Meet Abraham →Mother’s profile

Sarah in the Bible

Read Sarah’s name change, age, relationships, faith, death, and burial.

Meet Sarah →Genesis 22

Abraham and Isaac Story

Follow the complete journey to Moriah, the binding, the angel, and the provided ram.

Read the full story →Genesis 25–33

Jacob and Esau Story

Continue with the birthright, Isaac’s blessing, separation, and reunion.

Read the full story →

Between Abraham and Jacob

Why is Isaac important in the Bible?

God promises to establish his covenant with Isaac. Later, when God sends Moses to Israel, he identifies himself as the God of Abraham, Isaac, and Jacob.

The promised son

Genesis specifically identifies Isaac as the son through whom the covenant will continue.

Genesis 17:19–21; 21:12

The middle patriarch

God repeatedly identifies himself through Abraham, Isaac, and Jacob.

Exodus 3:6, 15–16

Promise distinguished from ancestry alone

Paul returns to Isaac when discussing the child of promise.

Romans 9:6–9; Galatians 4:28

Faith looking forward

Hebrews remembers Isaac blessing Jacob and Esau concerning things still to come.

Hebrews 11:20

Reflection grounded in the text

What can we learn from Isaac?

Bring difficult circumstances to God

Isaac prays for Rebekah during their childlessness. The passage records God’s answer without giving a timetable that every family can expect. Genesis 25:21

Yielding ground can create room for peace

Isaac repeatedly moves from disputed wells until conflict gives way to Rehoboth and Beersheba. Genesis 26:19–33

Inherited patterns still require examination

Isaac repeats Abraham’s sister-wife deception when fear shapes his choices in Gerar. Genesis 26:6–11

Favoritism can wound a family

Isaac and Rebekah’s divided preferences become entangled with secrecy, rivalry, and separation. Genesis 25:28; 27:1–46

Read the passages

Key Bible passages about Isaac

Genesis 17:15–21; 21:1–7Isaac promised, named, and born to Abraham and Sarah Genesis 22:1–19The binding of Isaac and the ram provided on Moriah Genesis 24:1–67Rebekah travels to Canaan and becomes Isaac’s wife Genesis 25:19–28Isaac prays, and Esau and Jacob are born Genesis 26:1–33Covenant promise, Gerar, disputed wells, and Beersheba Genesis 27:1–46The blessing intended for Esau is obtained by Jacob Genesis 28:1–5Isaac blesses Jacob and sends him toward Paddan Aram Genesis 35:27–29Isaac dies at 180 and is buried by both sons Hebrews 11:17–20Abraham’s faith at the binding and Isaac’s blessing of his sons

Character check · Five questions

How well do you know Isaac?

Test his name, family, and ages. After each choice, read the explanation and Bible reference.

What does the name Isaac mean?

Who was Isaac’s wife?

Who were Isaac’s sons?

How old was Isaac when he married Rebekah?

How old was Isaac when he died?

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Isaac in the Bible FAQ

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 the covenant promises, lived in Canaan, reopened wells during conflict with Gerar’s herders, and died at 180.

What does the name Isaac mean?+

Isaac means “he laughs” or “he will laugh.” Genesis connects his name with Abraham’s laughter, Sarah’s laughter at the promise, and Sarah’s joyful declaration after his birth that God had made laughter for her.

Who were Isaac’s parents?+

Isaac’s parents were Abraham and Sarah. He was born when Abraham was one hundred and Sarah was ninety, fulfilling the promise that Sarah herself would bear the covenant son.

Who was Isaac’s wife?+

Isaac’s wife was Rebekah, the daughter of Bethuel and sister of Laban. Abraham’s unnamed senior servant brought her from the extended family in Aram, and Isaac married her at forty.

How many sons did Isaac have?+

The Bible names two sons of Isaac: the twins Esau and Jacob. Esau was born first, with Jacob holding his heel. Genesis does not name any daughters of Isaac.

How old was Isaac?+

Genesis supplies several exact ages: Isaac married Rebekah at forty, became the father of Esau and Jacob at sixty, and died at 180. His age during the Genesis 22 binding is not stated.

How did Isaac die?+

Genesis records Isaac’s age and burial but does not state a disease or violent cause of death. He died at 180, described as old and full of days, and his sons Esau and Jacob buried him.

How old was Isaac when Abraham was told to sacrifice him?+

The Bible does not give Isaac’s age in Genesis 22. He could speak, travel, and carry the offering wood, but those details do not establish an exact number. Specific ages come from later interpretation, not the Genesis text.

How old was Rebekah when she married Isaac?+

Genesis states that Isaac was forty but never states Rebekah’s age. Claims that she was a specific age depend on later chronological assumptions and should not be presented as an explicit biblical fact.

Why is Isaac important in the Bible?+

Isaac is the middle patriarch between Abraham and Jacob and the son through whom Genesis traces the covenant line. God identifies himself as the God of Abraham, Isaac, and Jacob, and later biblical writers use Isaac when discussing promise, faith, and ancestry.

Continue with the narrative

Read the complete Abraham and Isaac story

Move from Isaac’s character profile to the full Genesis 22 journey, binding, rescue, and provided ram.

Read the story →