That caution is fair. A serious argument should not claim more than the evidence can prove. We do not need to argue that Joseph Smith had sexual relations with every woman sealed to him. We do not need to claim that every husband was ignorant. We do not need to pretend the historical record is simple. The issue is already serious enough: Joseph Smith privately introduced religious sealings that placed him in some kind of marital or eternal-bond relationship with women who already had husbands.
The Church of Jesus Christ of Latter-day Saints itself acknowledges that Joseph Smith married multiple wives and introduced plural marriage to close associates. Its Gospel Topics Essay states that early plural marriage was introduced gradually, kept confidential, and only later discussed more openly after the Saints moved west. It also admits that the historical record is fragmentary and that later reminiscences are not always reliable.
Most importantly, the same LDS essay says that Joseph Smith “was sealed to a number of women who were already married.” It distinguishes between “time and eternity” sealings, which generally included the possibility of sexual relations, and “eternity-only” sealings, which were understood as pertaining to the next life. It also admits that, in some cases, we do not know which type of sealing was involved.
So the question is not whether critics invented the issue. They did not. The question is whether the practice can be squared with Scripture, apostolic Christianity, and the moral standards required of a prophet of God.
What the Historical Sources Actually Say
The safest way to state the historical claim is this:
Joseph Smith was sealed to multiple women who were already legally married to other men, but the nature and meaning of those sealings vary case by case.
That statement is strong, but careful. It avoids sensationalism while preserving the real problem.
The Joseph Smith Papers, published by the Church Historian’s Press, states that Joseph was sealed to a number of already-married women and that neither Joseph nor the women explained much about these relationships. It adds that some sources suggest some of these marriages were “for eternity alone,” possibly as an early way of linking families together.
The official Gospel Topics Essay gives estimates of 12 to 14 such sealings, citing Todd Compton and Brian Hales. It also includes the LDS apologetic qualification that there is no evidence these sealings functioned as “polyandry” in the full anthropological sense of shared residence, shared sexuality, and communal child-rearing.
This is where precision matters. LDS apologists often say, “These were not normal marriages.” But that answer cuts both ways. If they were not marriages in any meaningful sense, why were they called sealings, wives, or eternal bonds? If they were marriages in a meaningful eternal sense, then Joseph Smith was claiming a sacred bond with women already covenantally bound to living husbands.
Either way, the problem does not disappear.
“Sealing” Was Not a Small Thing in LDS Theology
In Latter-day Saint theology, sealing is not a casual friendship ceremony. Doctrine and Covenants 132 presents the “new and everlasting covenant” as necessary for exaltation and connects it with eternal marriage, priesthood authority, and the power to bind on earth and in heaven.
That matters because LDS defenders sometimes speak as if an “eternity-only” sealing removes the moral concern. But if sealing determines eternal family order, exaltation, and the covenantal future of the people involved, then it is not harmless. It is not “just symbolic.” It is a theological claim about who belongs to whom before God.
So the question remains: Why would a prophet need to be sealed to another man’s wife at all?
If her legal marriage was valid before God, Joseph’s sealing creates confusion. If her legal marriage was not eternally valid, then Joseph’s sealing implicitly outranks or bypasses the husband. If the sealing was “only dynastic,” then calling these women wives becomes misleading. And if the sealing was secret, the moral problem deepens rather than disappears.
The Biblical Pattern: Marriage Is One Man and One Woman
The biblical doctrine of marriage begins in creation, not in a nineteenth-century temple ritual. Genesis 2:24 says a man leaves father and mother and cleaves to his wife, and the two become one flesh. Jesus quotes this text directly in Matthew 19:4–6 and Mark 10:6–9, grounding marriage in God’s original design: one man, one woman, one flesh, joined by God.
That does not mean the Old Testament never records polygamy. It clearly does. Abraham, Jacob, David, and Solomon are obvious examples. But Scripture often records human behavior without endorsing it. The Bible records murder, slavery, concubinage, betrayal, and war. Description is not approval.
The moral trajectory of Scripture does not move toward plural marriage as an ideal. It moves back to creation. Christ does not say, “From the beginning, men had multiple wives.” He says, “From the beginning it was not so” when correcting distorted views of marriage.
The New Testament standard for church leadership is also striking. A bishop or overseer must be “the husband of one wife” in 1 Timothy 3:2. Deacons are held to the same pattern in 1 Timothy 3:12. Titus 1:6 gives the same kind of requirement. Whatever interpretive debates exist around the phrase, it clearly does not support a prophet secretly taking plural wives, much less being sealed to women already married to other men.
From a historic Christian standpoint, this is not a minor administrative concern. Marriage reflects Christ and His Church in Ephesians 5:25–32. It is covenantal, public, faithful, and ordered. Secret parallel sealings to other men’s wives do not fit that apostolic vision.
The Book of Mormon Creates an Internal Problem Too
This issue is not only a Bible problem. It is also a Latter-day Saint scripture problem.
Jacob 2 in the Book of Mormon strongly condemns the appeal to David and Solomon as justification for plural wives. It says David and Solomon had many wives and concubines, “which thing was abominable,” and then commands that men should have only one wife and no concubines. It also says the practice wounded wives and children.
That creates a direct tension with Doctrine and Covenants 132, which appeals to Abraham, Isaac, Jacob, Moses, David, and Solomon to justify plural marriage. D&C 132 even says David’s wives and concubines were given to him and that he did not sin “save in the case of Uriah and his wife.”
That is not an easy harmonization. Jacob 2 says David and Solomon’s many wives were abominable. D&C 132 uses Old Testament patriarchs and kings as precedent for plural marriage. The two texts pull in different directions.
There is another problem. D&C 132:61 says a man may be justified in taking another wife if the women are virgins, have vowed to no other man, and the first wife gives consent. But Joseph’s polyandrous sealings involved women who had already vowed themselves to other husbands. That does not fit the stated condition cleanly.
LDS apologists may reply that some were “eternity-only” sealings. But again, that does not solve the issue. If the covenant had eternal force, it mattered. If it did not matter, then the whole defense of sealing theology collapses.
Emma Smith and the Problem of Secrecy
Plural marriage was not introduced openly to the whole Church. The LDS Gospel Topics Essay says participants were asked to keep their actions confidential and that the historical record is thin partly because early participants did not discuss these experiences publicly or in writing until later.
Emma Smith’s role is especially troubling. The LDS essay says Emma approved, at least temporarily, of four plural marriages, but likely did not know about all of Joseph’s sealings. It also says she moved between support and denunciation.
D&C 132 itself contains severe warnings directed at Emma. It says that if a wife does not receive the law, the husband may be exempt from the “law of Sarah.” It also says the wife who refuses this law becomes the transgressor.
That is morally difficult. A revelation that pressures a wife to accept plural marriage, while allowing the husband to proceed if she refuses, does not resemble the New Testament’s command for husbands to love their wives “as Christ loved the church and gave himself up for her” in Ephesians 5:25.
A prophet may suffer. A prophet may be rejected. A prophet may call people to repentance. But a prophet does not receive a private marital system that wounds his wife, confuses other marriages, and requires secrecy from the covenant community.
Early Christianity Does Not Help the LDS Case
Latter-day Saint plural marriage is often defended as a restoration of ancient biblical practice. But the earliest Christian pattern does not support that claim.
The New Testament already points toward monogamous covenant fidelity. Early Christian writers moved in the same direction. Athenagoras, writing in the second century, described Christian sexual ethics in strongly monogamous terms, saying Christians were to be content with one marriage. Tertullian, in the early third century, wrote an entire treatise On Monogamy, even though some of his rigorist conclusions go beyond what many Christians, including Orthodox Christians, would later receive as normative.
The point is not that every strict patristic statement on remarriage must be treated as dogma. The point is simpler: the early Christian moral imagination was not moving toward secret plural sealings, dynastic wife-sharing, or eternal marital claims over women already married to other men.
A historic Christian critique does not need to invent a standard. The standard is already present in Scripture, apostolic discipline, and the broad moral witness of the ancient Church.
Common LDS Defenses and Why They Fall Short
1. “It was biblical polygamy.”
The Bible records polygamy, but it never presents it as the Edenic ideal. The first polygamist in Scripture is Lamech in Genesis 4:19, a violent man from Cain’s line. Abraham’s household is fractured by the Hagar situation. Jacob’s family is marked by rivalry. David’s sexual sin devastates his house. Solomon’s many wives turn his heart away from the Lord in 1 Kings 11.
Jesus does not restore polygamy. He restores the creation pattern: one man and one woman joined by God.
2. “These were eternity-only sealings.”
That may be true in some cases. The LDS essay itself says several women later indicated their relationships were for eternity alone. But an eternity-only sealing is still an eternal claim. If eternal sealing determines exaltation and family order, it cannot be brushed aside as meaningless.
If a woman is already married, and Joseph is sealed to her for eternity, what does that say about her husband? Is he her real husband only temporarily? Is Joseph her eternal husband? Is the first marriage spiritually inferior? LDS explanations often raise as many questions as they answer.
3. “There is no evidence these functioned like normal polyandry.”
That may be partly true. The historical record does not prove that every polyandrous sealing involved sexual relations. But the Christian objection is not limited to sex. The issue is covenantal authority, secrecy, and prophetic legitimacy.
A secret eternal marriage claim over another man’s wife is already a serious theological problem, even if no sexual relationship can be proven.
4. “Some husbands may have known or consented.”
In some cases, knowledge or consent is debated. In other cases, the sources are ambiguous. But even if a husband consented, that would not automatically make the practice biblical. Consent does not turn an unbiblical marital system into apostolic Christianity.
5. “Joseph was imperfect, like biblical prophets.”
Yes, biblical prophets were imperfect. Moses sinned. David sinned. Peter sinned. But their sins were judged by God’s revealed law; they were not turned into new eternal ordinances binding the whole people of God.
That is the key difference. The issue is not whether Joseph Smith had weaknesses. Every man does. The issue is whether his secret plural and polyandrous sealings came from God. Scripture gives us the right to test that claim.
The Prophetic Test
Deuteronomy 18 warns against prophets who speak presumptuously in God’s name. Jesus warns that false prophets are known by their fruits in Matthew 7:15–20. Paul says that even if an angel from heaven preaches a different gospel, he is to be rejected in Galatians 1:8–9. Jude 3 speaks of “the faith once for all delivered to the saints.” First Thessalonians 5:21 tells believers to test everything and hold fast to what is good.
Those texts matter here. Joseph Smith claimed divine authority for a marital system that departed from the New Testament’s pattern, conflicted with the Book of Mormon’s own warning in Jacob 2, wounded Emma Smith, required secrecy, and created eternal bonds with women already married to other men.
That is not a small historical embarrassment. It is a test case for prophetic authority.
Conclusion: The Problem Remains
The strongest Christian argument against Joseph Smith’s polyandrous sealings is not based on rumor, exaggeration, or anti-Mormon hostility. It is based on the sources themselves.
LDS sources acknowledge that Joseph Smith was sealed to women who were already married. LDS sources acknowledge that the records are fragmentary. LDS sources acknowledge that some of these sealings may have been eternity-only. LDS sources acknowledge that Emma did not know everything and suffered deeply.
Those qualifications matter. But they do not solve the theological problem.
If sealing is eternal marriage, then Joseph Smith claimed eternal bonds with other men’s wives. If sealing is not eternal marriage, then LDS sealing theology loses its force. If the women’s first marriages remained valid, Joseph’s sealings were unnecessary and confusing. If the first marriages were spiritually bypassed, then the husbands were displaced. If the practice was from God, it should harmonize with Scripture. If it does not, Christians are commanded to reject it.
The biblical vision of marriage is not secret, manipulative, or dynastic. It is covenantal faithfulness before God: one man, one woman, one flesh. A true prophet does not need to hide God’s commandments, pressure his wife into accepting them, or create confusion around the eternal families of other men.
The burden of proof remains on the Latter-day Saint claim. And historically, biblically, and theologically, that burden has not been met.
The Church of Jesus Christ of Latter-day Saints, “Plural Marriage in Kirtland and Nauvoo”
https://www.churchofjesuschrist.org/study/manual/gospel-topics-essays/plural-marriage-in-kirtland-and-nauvoo?lang=eng
Joseph Smith Papers, “Introduction to Documents, Volume 10: May–August 1842”
https://www.josephsmithpapers.org/intro/introduction-to-documents-volume-10-may-august-1842
Joseph Smith Papers, “Introduction to Journals, Volume 2”
https://www.josephsmithpapers.org/intro/introduction-to-journals-volume-2
Doctrine and Covenants 132
https://www.churchofjesuschrist.org/study/scriptures/dc-testament/dc/132?lang=eng
Book of Mormon, Jacob 2
https://www.churchofjesuschrist.org/study/scriptures/bofm/jacob/2?lang=eng
Joseph Smith’s Polygamy, “Sarah Ann Whitney”
https://josephsmithspolygamy.org/plural-wives-overview/sarah-ann-whitney/
Signature Books, Todd Compton, In Sacred Loneliness: The Plural Wives of Joseph Smith
https://www.signaturebooks.com/books/p/in-sacred-loneliness
Athenagoras, A Plea for the Christians, Chapter 33
https://ccel.org/ccel/athenagoras/plea_for_christians/anf02.v.ii.xxxiii.html
Tertullian, On Monogamy
https://www.newadvent.org/fathers/0406.htm