So she said to Abraham, “Cast out this slave woman with her son, for the son of this slave woman shall not be heir with my son Isaac.”
English Standard Version (ESV)
Sarah's demand isn't just about jealousy; it's about securing Isaac's unique inheritance, as the son of promise, by ensuring there's no confusion or conflict with Ishmael over that singular line of descent. This highlights how crucial distinguishing the "son of the promise" was for God's unfolding plan, even to the point of familial separation.
So she said to Abraham, “Cast out this slave woman with her son, for the son of this slave woman shall not be heir with my son Isaac.”
English Standard Version (ESV)
Following the celebration of Isaac's weaning, Sarah witnesses Ishmael mocking Isaac, which deeply distresses her. This incident fuels her demand that Abraham banish Hagar and Ishmael, arguing that Ishmael, as the son of a slave, has no right to inherit alongside her son Isaac. God intervenes, confirming that the covenant line will continue through Isaac, and instructs Abraham to heed Sarah's request.
Sarah’s demand to cast out Hagar and Ishmael isn't just about sibling rivalry. It touches on deep-seated social structures and the critical importance of lineage and inheritance in ancient society.
In Abraham’s time, inheritance wasn't just about passing down wealth; it was about securing a family's legacy, identity, and future. This was especially true for the promised heir, who carried the weight of God's covenant promises.
Sarah's demand might seem harsh, even driven by jealousy. But Scripture reveals a divine hand orchestrating this painful separation for a greater purpose.
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While Sarah's emotions and words are sharp, God intervenes to affirm her request. This demonstrates that even within human conflict and flawed actions, God is working to fulfill His sovereign plan.
Understand the original words
amah · Hebrew Noun
One who is owned by another and lacks personal legal autonomy, often serving in a household. Biblically, the status of a slave often reflects the social realities of the Ancient Near East and serves as a backdrop for legal and covenantal disputes.
yarash · Hebrew Verb/Noun
One who receives the possessions, position, and status of another upon their death. In biblical theology, the "heir" is the one who carries forward the covenantal blessings and promises given by God.
This event highlights the societal customs and legal implications of inheritance in ancient patriarchal societies, where the status of children born to servants could complicate the established line of succession.
c. 2000-1800 BC
Abraham and Sarah's Early Life
Abraham and Sarah, patriarchs of the Israelite people, lived in a time when patriarchal structures and customs, including those surrounding inheritance and lineage, were being established.
c. 1800 BC
Abraham's Covenant with God
God establishes a covenant with Abraham, promising him numerous descendants and land, with the lineage of the promise to be carried through Isaac, Abraham's son with Sarah.
c. 1800 BC
Birth of Ishmael
Hagar, Sarah's Egyptian servant, bears Abraham a son named Ishmael. This event introduces a complication to the lineage of the promised seed.
c. 1795 BC
Birth of Isaac
Isaac, the son of promise born to Abraham and Sarah in their old age, is circumcised according to God's command, marking him as the heir of the covenant.
c. 1795 BC— this verse
Ishmael Mocks Isaac
Sarah observes Ishmael mocking or persecuting Isaac. This behavior, seen as a threat to Isaac's status as the promised heir, leads Sarah to demand Ishmael and Hagar's expulsion.
c. 1795 BC
Abraham Sends Out Hagar and Ishmael
Following God's confirmation, Abraham provides Hagar and Ishmael with provisions and sends them away. God promises to make Ishmael into a great nation.
This passage directly applies the Genesis narrative allegorically, identifying Sarah with the 'free woman' and Hagar with the 'slave woman,' and their sons with those born according to the Spirit versus the flesh. It underscores the divine decree that the heir must be from the free woman, echoing Sarah's demand.
Genesis 17:19This verse explicitly states God's promise that the covenant would be established through Isaac, not Ishmael. Sarah's demand in Genesis 21:10 is a direct response to ensuring this divine promise, which already decreed Isaac as the sole heir.
Romans 9:7-13Paul here argues that not all descendants of Abraham are truly his 'children' in the sense of the covenant promise. He uses the contrast between Isaac and Ishmael to illustrate that God's choice is sovereign, reinforcing the idea that Ishmael's exclusion from inheritance is divinely ordained, not merely Sarah's whim.
Genesis 25:5-6This passage shows Abraham giving gifts to his other sons, including Ishmael, before he dies. This demonstrates Abraham's recognition of Ishmael's existence and a provision for him, but crucially, it specifies these provisions were 'while he was still living' and distinct from Isaac's inheritance, thus confirming Ishmael was not a co-heir.
cambridgeGenesis 21:10: "Wherefore she said unto Abraham, Cast out this bondwoman and her son: for the son of this bondwoman shall not be heir with my son, even with Isaac."
10 . “Hebrew custom provided for the recognition of the children of the maid-servant ( Genesis 30:3 ), and Ishmael according to the Elohist ( Genesis 21:10 ) was coheir with Isaac” (Stanley Cook, p. 140).
gillGenesis 21:10: "Wherefore she said unto Abraham, Cast out this bondwoman and her son: for the son of this bondwoman shall not be heir with my son, even with Isaac."
Wherefore she said unto Abraham, cast out this bondwoman and her son,.... Hagar, Sarah's handmaid and bondservant, and her son Ishmael; by this it appears that Hagar was concerned in this affair, and set her son on to mock Isaac, at least she encouraged him in it, buoying: him up with his being the firstborn, and having a right to t…
Sarah's demand isn't just about jealousy; it's about securing Isaac's unique inheritance, as the son of promise, by ensuring there's no confusion or conflict with Ishmael over that singular line of descent. This highlights how crucial distinguishing the "son of the promise" was for God's unfolding plan, even to the point of familial separation.
Following the celebration of Isaac's weaning, Sarah witnesses Ishmael mocking Isaac, which deeply distresses her. This incident fuels her demand that Abraham banish Hagar and Ishmael, arguing that Ishmael, as the son of a slave, has no right to inherit alongside her son Isaac. God intervenes, confirming that the covenant line will continue through Isaac, and instructs Abraham to heed Sarah's request.
Following the celebration of Isaac's weaning, Sarah witnesses Ishmael mocking Isaac, which deeply distresses her. This incident fuels her demand that Abraham banish Hagar and Ishmael, arguing that Ishmael, as the son of a slave, has no right to inherit alongside her son Isaac. God intervenes, confirming that the covenant line will continue through Isaac, and instructs Abraham to heed Sarah's request.
"So she said to Abraham, “Cast out this slave woman with her son, for the son of this slave woman shall not be heir with my son Isaac.”" — Sarah's demand isn't just about jealousy; it's about securing Isaac's unique inheritance, as the son of promise, by ensuring there's no confusion or conflict with Ishmael over that singular line of d…
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Last reviewed October 2026