According to his account, while praying Joseph was visited by two "personages" who identified themselves as God the Father and Jesus Christ. He was told not to join any of the churches.

Joseph Fielding Smith’s family tree alone makes him a significant player in the history of The Church of Jesus Christ of ...

As Joseph Smith, first prophet and President of the Church ... of Jesus Christ of Latter-day Saints is a belief in God the Father, his Son Jesus Christ, and the Holy Ghost. The three make up ...