Joyful Wells | Sharing Cups of Water

The Order of this Priesthood was confirmed to be handed down from father to son, and rightly belongs to the literal descendants of the chosen seed to whom the promises were made. This Order was instituted in the days of Adam, and came down by lineage in the following manner: From Adam to Seth, who was ordained by Adam at the age of sixty-nine years, and was blessed by him three years previous to his (Adam’s) death, and received the promise of God, by his father, that his posterity should be the chosen of the Lord, and that they should be preserved unto the end of the earth, because he (Seth) was a perfect man. And his likeness was the express likeness of his father’s, insomuch that he seemed to be like unto his father in all things and could be distinguished from him only by his age. - T&C 154:9-10

There are three Fathers who, in large part, populated (or re-populated) the earth: Adam, Noah, and Abraham.  Adam and Noah had descendants under their direct Fatherhood who produced Zion, but none of Abraham's descendants have yet to do it. We can prove by our actions that it can be us.  But we do have to prove it.  This part of the Lord’s Prayer, I think, helps with that process: "Our Father, who art in Heaven, hallowed be thy name ..."