COJCOLS publishes that saints taught their children of heavenly parents in Nauvoo.
"Joseph Smith’s Teachings about Priesthood, Temple, and Women." Gospel Topics Essay, <https://web.archive.org/web/20190722213748/https://www.churchofjesuschrist.org/study/manual/gospel-topics-essays/joseph-smiths-teachings-about-priesthood-temple-and-women?lang=eng> <accessed May 24, 2021>
During the Nauvoo era, Latter-day Saints came to understand that all people are children of heavenly parents and that it is the ultimate destiny of faithful men and women to become like them.