Deuteronomy 27:22 Meaning and Explanation
“Cursed be he that lieth with his sister, the daughter of his father, or the daughter of his mother. And all the people shall say, Amen.”
King James Version (KJV)
Read this verse in context with translation switching:
Read Full Chapter →The verse names a sin that can be hidden within a household, where trust and closeness should bring protection. Its inclusion among the public covenant curses means that family status cannot shield wrongdoing from God's judgment. By specifying both a father's daughter and a mother's daughter, the command closes a possible excuse based on different parental lines. The family relationship itself creates an obligation of honor and restraint.
Deuteronomy 27:22 curses sexual union with one's sister, whether through the father or mother, because it violates the family boundaries and kinship responsibilities established by God.
The Context of Deuteronomy 27:22
Deuteronomy 27 records Moses' directions for Israel's covenant ceremony after crossing the Jordan. The law is to be written clearly, worship is offered at an altar, and tribes are stationed on Mount Gerizim and Mount Ebal. The Levites speak a series of curses, with all the people replying, Amen. Verse 22 occurs in a cluster of commands about sexual relations that violate household and kinship order. Verse 20 concerns a father's wife, verse 21 concerns a beast, and verse 23 concerns a mother in law. The following curses turn to secret assault, murder for payment, and full covenant obedience.
What Does Deuteronomy 27:22 Mean?
"Lieth with his sister" uses the same direct wording for sexual union found in the surrounding declarations. The verse then explains whom it includes: "the daughter of his father, or the daughter of his mother." A sister remains a sister whether the shared parent is the father or the mother. The wording protects against evasions that could arise in complex households. Scripture treats sibling relationship as a bond requiring honor, safety, and faithful care. Sexual use within that bond violates the trust that should make a home a place of protection. The curse reveals that God judges this wrong even when family pressure, secrecy, or fear keeps it from public exposure.
The chapter's public response is important. Each curse ends with "all the people shall say, Amen," so the community affirms God's judgment against deeds that may be concealed within private life. Israel is not invited to speculate about particular families. The ceremony establishes a common moral boundary and calls the people to uphold it. Leviticus gives a corresponding prohibition and describes this relation as a shameful thing. Deuteronomy places it among covenant sanctions as Israel prepares to dwell in the land. The command honors family life as a real gift from God, with relationships that carry distinct responsibilities. Kinship cannot be used as permission for exploitation; it calls for greater protection and faithfulness.
This command fits the Bible's wider concern for safeguarding those who are vulnerable within close relationships. Jesus speaks with particular seriousness about causing harm to the little ones who believe in him, and his ministry gives attention to those who are burdened and wounded. The verse does not narrate a particular case or prescribe a response to every circumstance of abuse. It clearly establishes God's judgment upon sexual violation within the family. That truth can help communities take hidden harm seriously, refuse silence that protects wrongdoing, and seek safety and justice. God's holiness never asks a harmed person to pretend that betrayal within a family is harmless.
Bible Verses Related to Deuteronomy 27:22
“The nakedness of thy sister, the daughter of thy father, or daughter of thy mother, whether she be born at home, or born abroad, even their nakedness thou shalt not uncover.”
- Leviticus 18:9
“And if a man shall take his sister, his father’s daughter, or his mother’s daughter, and see her nakedness, and she see his nakedness; it is a wicked thing; and they shall be cut off in the sight of their people: he hath uncovered his sister’s nakedness; he shall bear his iniquity.”
- Leviticus 20:17
“Cursed be he that lieth with his father’s wife; because he uncovereth his father’s skirt. And all the people shall say, Amen.”
- Deuteronomy 27:20
“And whosoever shall offend one of these little ones that believe in me, it is better for him that a millstone were hanged about his neck, and he were cast into the sea.”
- Mark 9:42
Where Deuteronomy 27:22 Echoes in Scripture
Leviticus 18:9 is the closest canonical echo. It prohibits uncovering the nakedness of a sister, whether she is the daughter of one's father or mother and whether she is born at home or elsewhere. Deuteronomy 27:22 retains the same careful scope while adding the solemn covenant curse and Israel's Amen. Together the passages show that differing household arrangements never remove the moral protection owed to a sister.
How to Apply Deuteronomy 27:22 Today
This verse encourages families and communities to build relationships marked by safety, clear boundaries, and truthful care. Adults entrusted with children or dependent relatives can take seriously the duty to protect rather than excuse harmful conduct because it occurs within a family. Where anyone faces sexual coercion, abuse, or fear at home, seeking immediate safety and help from trustworthy civil authorities, safeguarding professionals, and wise caregivers can be necessary. Those responding to a disclosure can listen carefully, avoid blame, and pursue protection and justice. For all of us, the passage calls for conduct that honors kinship rather than using proximity or trust for selfish ends.
Reflection & Prayer
Do our homes, friendships, and communities make it easier for people to speak truth and find protection when trust has been violated? We may pray for wisdom to guard the vulnerable and courage to act faithfully. Suggested prayer: "God of holiness and mercy, establish safety in our households. Help us honor every family bond with purity, truth, and steadfast care. Amen."