Wilford Woodruff, in his journal, records Brigham Young teaching that Joseph Smith is not the father of our spirits; instead, the father of our spirits is Father Adam.
Wilford Woodruff, Journal, December 11, 1869, MS 1352, Church History Library
Some have thought it strange what I have said Concerning Adam But the period will Come when this people of faithful will be willing to adopt Joseph Smith as their Prophet Seer Revelator & God But not the father of their spirits for that was our Father Adam.