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FAIR is a non-profit organization dedicated to providing well-documented answers to criticisms of the doctrine, practice, and history of The Church of Jesus Christ of Latter-day Saints.
A biblical prohibition under the Mosaic law prohibited polygamous marriages involving a mother and daughter: "Neither shalt thou take a wife to her sister, to vex her, to uncover her nakedness, beside the other in her life time." Leviticus 18꞉18. The law also prohibited one from marrying two sisters: "And if a man take a wife and her mother, it is wickedness: they shall be burnt with fire, both he and they; that there be no wickedness among you." Leviticus 20꞉14.
Joseph Smith did not restore the practice of plural marriage according to Mosaic law—plural marriage was practiced prior to the institution of the Mosaic law without these restrictions. A well-known example is Jacob, whose name was changed to Israel: He was married to the two sisters Rachel and Leah.
It should also be noted that the biblical practice of levirate marriage, as defined by Hebrew law, required a man to take his childless deceased brother's wife as his own wife in order to produce offspring for his brother. This was also a case of marrying two sisters.
FAIR is a non-profit organization dedicated to providing well-documented answers to criticisms of the doctrine, practice, and history of The Church of Jesus Christ of Latter-day Saints.
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