Genesis 17:15 · Bible study
Genesis 17:15 Commentary: Why Sarai becomes Sarah
Hebrew · 10 what the commentators say
Meaning in one sentence
Why did God change Sarai's name to Sarah? Explore the meaning, the covenant promise, and how this name marks her as a mother of nations.
Research Summary
- Meaning: God changes Sarai's name to Sarah to signify her new role as the mother of nations and kings through Isaac, the promised son.
- Key words: call (qara H7121), name (shem H8034), Sarai (H8297), Sarah (H8283, from sar meaning prince).
- Main debate: Whether “Sarai” literally means “my princess” (with yod as possessive) or is simply an older form of “Sarah” with no lexical distinction (Cambridge Bible).
- Theological theme: God's sovereign grace includes a barren woman in the covenant promises, elevating her to matriarch of faith and mother of nations.
- Best use: Preaching on identity, covenant inclusion, and trusting God's timing when circumstances seem hopeless.
Translation Comparison
BSB Berean Standard Bible 2020
Then God said to Abraham, “As for Sarai your wife, do not call her Sarai, for her name is to be Sarah.
WEB World English Bible 2000
God said to Abraham, “As for Sarai your wife, you shall not call her name Sarai, but her name shall be Sarah.
KJV King James Version 1769
And God said unto Abraham, As for Sarai thy wife, thou shalt not call her name Sarai, but Sarah shall her name be.
ASV American Standard Version 1901
And God said unto Abraham, As for Sarai thy wife, thou shalt not call her name Sarai, but Sarah shall her name be.
YLT Young's Literal Translation 1898
And God saith unto Abraham, `Sarai thy wife--thou dost not call her name Sarai, for Sarah is her name;
Darby Darby Bible 1890
And God said to Abraham, [As to] Sarai thy wife, thou shalt not call her name Sarai, but Sarah shall be her name.
Douay-Rheims Douay-Rheims Bible 1899
God said also to Abraham: Sarai thy wife thou shalt not call Sarai, but Sara.
Translations in other languages (10 available)
Dijo también Dios á Abraham: A Sarai tu mujer no la llamarás Sarai, mas Sara será su nombre.
Disse também Deus a Abraão: A Sarai tua mulher não a chamarás Sarai, mas Sara será seu nome.
Dieu dit à Abraham: Tu ne donneras plus à Saraï, ta femme, le nom de Saraï; mais son nom sera Sara.
Und Gott sprach abermals zu Abraham: Du sollst dein Weib Sarai nicht mehr Sarai heißen, sondern Sara soll ihr Name sein.
Nog zeide God tot Abraham: Gij zult den naam van uw huisvrouw Sarai, niet Sarai noemen; maar haar naam zal zijn Sara.
E Dio disse ad Abrahamo: “Quanto a Sarai tua moglie, non la chiamar più Sarai; il suo nome sarà, invece Sara.
Potem rzekł Bóg do Abrahama: Sarai, żony twojej, nie będziesz zwał imienia jej Saraj, ale Sara będzie imię jej.
И сказал Бог Аврааму: Сару, жену твою, не называй Сарою, но да будет имя ей: Сарра;
神 又對 亞伯拉罕 說：「你的妻子 撒萊 不可 再叫 撒萊， 她的名 要叫撒拉。
And God said, As for Sarai, your wife, from now her name will be not Sarai, but Sarah.
Verse in Context
Original Language (Biblical Hebrew)
Old Testament · Biblical Hebrew · Genesis 17:15
Source: STEPBible TAGNT/TEHB (CC-BY 4.0). Click or tap a morphology code to see the full parsing.
Scholars' Consensus
Commentators across traditions agree that the name change from Sarai to Sarah marks her inclusion in the covenant promises and a dramatic expansion of her role. Sarai (שָׂרַי) can be read as "my princess," with the yod functioning as a possessive suffix. Sarah (שָׂרָה) is the absolute form, meaning simply "princess", a change that Calvin, Bush, and Wesley all see as removing the limitation of her status to one household. Keil & Delitzsch describe the new name as signifying "the princess," because she will become the mother of nations and kings (v.16). Matthew Henry and Gill link the change directly to God's promise of a son through her, not through Hagar. The surrounding context, the covenant of circumcision (vv.9, 14) and Abraham's own name change in v.5, confirms that Sarah now shares in the covenant community. The name change is not merely ornamental: it reveals God's gracious purpose to include a barren woman in His redemptive plan and to make her, in Adam Clarke's words, "a princess of a multitude."
How settled is the interpretation?
Interpretive difficulty: Medium
Main views:
- Etymological view: Sarai means 'my princess': The Hebrew word Sarai with yod suffix indicates 'my princess,' and the change to Sarah removes the possessive, broadening her role (Calvin, Bush, Gill, Wesley).
- Linguistic view: Sarai is an older form of Sarah with no meaning difference: The Cambridge Bible argues that the yod is not necessarily possessive and that Sarai is simply a variant form of Sarah; the change is primarily symbolic.
What is clear: God changes Sarai's name to Sarah in conjunction with the promise that she will bear a son, Isaac, and become the mother of nations and kings.
What Scholars Agree and Debate
| Topic | Agreed | Debated |
|---|---|---|
| Meaning of Sarai | The name "Sarai" is related to the Hebrew word for prince (sar). | The Cambridge Bible argues that "Sarai" cannot mean "my princess" and is an older form of "Sarah"; other commentators (Calvin, Bush, Wesley) maintain that the yod is a possessive suffix, so Sarai means "my princess." |
| Significance of the name change | Both sides agree the name change marks Sarah's inclusion in the covenant and her new role as mother of nations. | Some traditions (Calvin, Gill) see a change in her character and status; the Cambridge Bible emphasises the symbolic act of renaming without a lexical shift in meaning. |
| Relationship to Abraham's name change | Both name changes occur in the same chapter (Gen 17) and parallel each other. | Abraham's name adds a consonant (from Abram to Abraham), while Sarah's name changes a vowel/yod. Some see distinct theological emphases: Abraham becomes "father of many nations," Sarah becomes "princess" of those nations. |
| Sarah's role as matriarch | Sarah becomes the mother of Isaac and ancestress of Israel, and ultimately of all nations through Abraham. | Keil & Delitzsch limit "mother of nations" to Israel and related tribes; Gill (citing 1 Peter 3:6) reads it more universally, seeing Sarah as a mother of all female believers. |
Historical & Cultural Context
Genesis 17 sits at a pivotal moment in Abraham's story. Thirteen years have passed since Ishmael's birth (16:16). Abraham is ninety-nine. God appears as El Shaddai and first renames Abraham (v.5), then establishes circumcision as the sign of the covenant (vv.9, 14). Only then does God turn to Sarai. Her name change comes as part of a single divine speech that also reveals, for the first time, that the promised seed will come through her, not Hagar (v.16). In the ancient Near East, a name carried the essence of a person's identity and destiny. Changing a name, especially by a deity, signified a new calling or status. Parallels appear later: Jacob becomes Israel (Gen 32:28), Solomon becomes Jedidiah (2 Sam 12:25). Sarai and Abraham both receive new names that associate them with the covenant promise of countless offspring. The immediate narrative context also shows Abraham's complex response: he laughs (v.17) and then pleads for Ishmael. God does not rebuke his laughter but clarifies that the covenant will go through Isaac, Sarah's son. This gradual unfolding of God's plan, from a vague promise in Genesis 12 to a named mother and a set time, builds the patriarch's faith over decades. Culturally, women rarely received such direct divine naming. Sarah's name change elevates her from a secondary figure to a full participant in God's covenant work.
Textual Notes
The supplied sources note no significant textual variants for Genesis 17:15. The Hebrew text is consistent across the manuscript traditions consulted.
Reception History
In Jewish tradition, the name change underscores Sarah's elevated status as a matriarch. Early Christian writers, following Paul (Galatians 4), often used Sarah typologically as the free woman representing the heavenly Jerusalem. Later, she was honored as a model of faith and obedience (1 Peter 3:6). The name change was read as a sign of God's personal, covenantal involvement in her life and as a promise that God's grace can transform barrenness into fruitfulness. Throughout church history, this verse has encouraged those who wait on God's timing.
Preaching This Verse
Three-point outline
- God renames what He redeems. The change from Sarai to Sarah is not arbitrary; it shows God claiming her identity as part of His covenant family.
- From "my princess" to "princess" of many. The removal of the possessive suffix expands her role from one household to all nations, aligning with the promise of kings and peoples.
- God's promises overcome barrenness and doubt. The name change comes just before the specific promise of Isaac, a word that reaches over Sarah's barrenness and Abraham's laughter.
Five-point outline
- God speaks directly to Abraham about his wife. The word comes to the husband, but the promise centers on the wife.
- A prohibition: you shall not call her Sarai. The old name is set aside; God no longer sees her only as "my princess" but as something greater.
- A new name: Sarah. The name carries the same consonants as the Hebrew word for "princess" (sar).
- A promise attached to the name: "I will bless her, and she shall become nations" (v.16). The name change is sealed by a specific, time-bound commitment.
- Faith that wrestles with impossibility. Abraham laughs and then prays, a mix of joy and unbelief that God does not reject.
Illustration hooks
- A couple who have tried for years to have a child suddenly receives a specific medical promise that a pregnancy is possible within a year.
- A woman takes her husband's surname at marriage, symbolising a new identity and belonging. For Sarah, the new name signifies belonging to God's covenant family.
- An employee who has been managing a small team gets promoted to lead a division, the new title marks a boundary of responsibility.
Questions your congregation is asking
- Does God care about individual people enough to change their names and give them a new identity?
- What does it mean that Sarah was barren yet still called to be a mother of nations? How does that apply to our own impossible situations?
- Is it too late for God to fulfill His promises in my life even after many years of waiting?
Leading a Discussion
This passage shows God’s personal care for Sarah as He includes her by name in the covenant promises. The discussion will explore what a new identity in God’s plan means for us today.
Discussion questions
- Observation: What does God tell Abraham to stop doing, and what new name does He give Sarah? (v.15)
- Observation: What promise does God immediately attach to the new name? (v.16)
- Interpretation: Why do you think God waited until this moment to reveal that the promised son would come through Sarah?
- Interpretation: The name Sarai has been understood as “my princess.” How does the change to Sarah (“princess”) change her role in the covenant?
- Application: Has God ever given you a new identity, whether through salvation, a calling, or a significant life change? How did that shape your future?
- Application: Abraham laughed at the promise before believing it (v.17). Is there room for honest doubt in the process of trusting God’s promises?
- Application: How can our church community encourage people who are waiting for a promise from God that seems impossible?
Word Study
The key original-language words in this verse. Select any word for its full lexicon entry — meaning, every occurrence in Scripture, and related words.
Cross-References
Source: Treasury of Scripture Knowledge (TSK, public domain)
| Genesis 17:5 | Your name will no more be called Abram, but your name will be Abraham; for I have made you the father of a multitude of nations. |
| Genesis 32:28 | He said, “Your name will no longer be called Jacob, but Israel; for you have fought with God and with men, and have prevailed.” |
| II Samuel 12:25 | and he sent by the hand of Nathan the prophet, and he named him Jedidiah, for Yahweh’s sake. |
Interlinear and lexical data from STEPBible (CC BY 4.0). Cross-reference data from OpenBible.info (CC BY 4.0). Commentaries are public domain.
For personal reflection
Read the devotional page — prayer, application, and "for families"
What the Commentators Say
10 public-domain commentaries, condensed into plain language.
Adam Clarke's Commentary Methodist/Wesleyan 1826
Clarke's entry for this name change is entirely cross-referential. He records the command to call her Sarah instead of Sarai and then sends the reader to his earlier note on Genesis 17
Calvin's Commentaries Reformed 1564
Calvin notes that despite Abraham and Sarah's rash attempt to secure an heir through Hagar, God freely grants them the promised son. The name change from Sarai, meaning "my princess," to Sarah, simply "princess," removes the limiting possessive, signifying her far greater role as mother of nations and kings.
Cambridge Bible for Schools and Colleges Anglican 1880
This commentator clarifies that the name Sarah means "Princess," as a feminine form of the Hebrew word for prince. He dismisses alternative meanings like "contentious" or "merry" as unlikely. The earlier form "Sarai" may simply be an older version, not the possessive "my princess."
Geneva Bible Notes Reformed 1599
The Geneva notes highlight that God changes Sarai’s name to Sarah to mark a shift from mere personal identity to universal motherhood. This alteration signifies the expansion of her role beyond her immediate family to become the matriarch of many nations, fulfilling the covenant promise through divine authority rather than human effort.
Gill's Exposition of the Bible Baptist 1748
Gill highlights the shift in meaning: Sarai means "my princess," indicating her role confined to Abraham's household, while Sarah means "princess" absolutely, pointing to her authority over all her descendants and her position as mother of all female believers.
Jamieson-Fausset-Brown Commentary Protestant 1871
JFB notes that God reveals His plans step by step, not all at once. Abraham already knew a son was promised, but only now does he learn for the first time that this son will come through Sarai.
Keil & Delitzsch OT Commentary Protestant 1876
Keil and Delitzsch argue that the promise of Abraham becoming a multitude of nations cannot be limited to his physical descendants, since Jacob's twelve sons founded only one nation. They conclude
Lange's Commentary Reformed 1857
Lange distinguishes between two layers of the covenant here: the exclusive promise of the messianic line through Isaac and the broader inclusion of Ishmael’s household in the covenant community. He argues that God appears as El Shaddai to seal this wider participation, which explains why Abraham circumcises Ishmael despite the heir being Isaac. This distinction resolves the apparent contradiction by showing how both figures relate differently to the same divine agreement.
Matthew Henry's Commentary Reformed/Presbyterian 1710
Henry notes that God reveals His plans gradually, only now telling Abraham the son would come through Sarai herself. The blessing of fruitfulness carries no sorrow, unlike Hagar's case, and the promise of kings indicates a well-governed society as a blessing to the church.
Wesley's Explanatory Notes Methodist/Wesleyan 1754
Wesley notes that the same Hebrew letter added to Abraham's name was also added to Sarai's. Her original name meant "my princess," restricting her honor to one family. Sarah means "princess of multitudes," signaling her role as mother of many nations.