Joseph Smith speaks of the order of the Son of God in the Doctrine and Covenants.
Section 119:3–4, Doctrine and Covenants, The Church of Jesus Christ of Latter-day Saints, accessed January 17, 2024
56 They are they who are priests and kings, who have received of his fulness, and of his glory;
57 And are priests of the Most High, after the order of Melchizedek, which was after the order of Enoch, which was after the order of the Only Begotten Son.
58 Wherefore, as it is written, they are gods, even the sons of God—