Brigham teaches Elohim, Jehovah, and Michael are Father, Son, and Grandson, respectively; after the earth was made, Michael became Adam.
Joseph F. Smith, Journal, June 17, 1871, Joseph F. Smith papers, 1854-1918, MS 1325, Church History Library
Prest. Young followed. Said Eloheim, Yahova + Michael were father, son and grandson. They made this Earth + michael became Adam.