BWS denies that JS taught polygamy was necessary for exaltation.
United States Testimony 1892, Temple Lot Case, pg. 319-320, MS 1160, Church History Library
590 Q:-Did Joseph Smith teach you that a man must have more than one wife? A:-To be exalted?
591 Q:-Yes madam? A:-No sir. I never heard of that.
592 Q:-But you were taught that a man must be sealed to his wife? A:-Yes sir, that his own wife must be sealed to him.
593 Q:-But you were never taught by Joseph Smith, that a man must have two wives sealed to him? A:-No sir.
594 Q:-He did not teach that, not did any one else teach that in Nauvoo prior to Joseph Smith's death? A:-Yes sir, I believe they did, but I don't know it for certain. I only think they did, for I don't know anything positively about that.
595 Q:-Well now they teach here in Salt Lake City,-President Woodruff and President Young and President John Taylor, taught you and all the rest of the ladies, here in Salt Lake that attended church that a man must be sealed? A:-No sir.
596 Q:-Well what was it? A:-That a woman must be sealed to a man, but not a man sealed to a woman.
597 Q:-That a man in order to be exalted in the kingdom celestial must have more than one wife? A:-Yes sir, they taught that a man could have more than one wife.
598 Q:-That is what they taught? A:-Yes sir.
599 Q:-And that was a means of exaltation? A:-Yes sir, and I believe that Joseph said that a man that had one wife had a jewel, and a man that had more than one wife had more jewels.
600 Q:-Who did you say said that? A:-Joseph Smith.
601 Q:-Did you hear that? A:-Did I hear him say that?
602 Q:-Yes madam? A:-No sir.
603 Q:-You are not willing to swear to that as a fact? A:-No sir, but I have heard that a good many times.