Jacob in the Book of Mormon condemns polygamy except when God commands it to "raise up seed."

Aug 1829 - Jan 1830
Scribed Verbatim

Jacob, Chapter 2 [Jacob 2–3], Printer’s Manuscript of the Book of Mormon, circa August 1829–circa January 1830, 98, The Joseph Smith Papers website, accessed June 10, 2022

Joseph Smith, Jr., Oliver Cowdery
David, Jacob, King Solomon

for behold thus saith the Lord this People begineth to wax in iniquity they understand not the Scriptures for they seek to excuse themselves in committing whoredoms because of the things which are written concerning David & Solomon his Son behold David & Solomon truly had many wives & conubines which thing was abominable before me saith the Lord wherefore thus saith the Lord I have lead this People forth out of the land of Jerusalem by the power of mine arm that I might raise up unto me a righteous branch from the fruit of the loins of Joseph wherefore I the Lord God will not suffer that this People shall do like unto them of Old wherefore my Brethren hear me & hearken to the word of the Lord for there shall not any more <​man​> among you have save it be one wife & concubines he shall have none for I the Lord God delighteth in the chastity of women & whoredoms is a-bomination before me thus saith the Lord of hosts wherefore this People shall keep my commandments saith the Lord of hosts or cursed be the land for their sakes for if I will saith the Lord of hosts raise up seed unto me I will command my People utherwise they shall hearken unto these things

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