Then I’d have to extend it back again. I only shortened it for fear that it would be too long, but with the whole “perfected in darkness” thing gone we might be good: “The Emperor manipulated the Force itself into creating life. First my grandfather, and then you. Both initially chosen as his heir. You… are rightfully a Palpatine.”

Nev, I don’t see too much wrong with your sequence of events. The only trouble is that it’s unlike Papa Palps to share his personal power with anyone. Your idea also begs the question much more than our current idea on why these random nobodies were selected for this operation. Surely there was a couple in his Sith cult with a child who he could perform this ritual with? That way he trusts them to do what’s in his own benefit. At least with our current idea, we have Anakin’s own birth being to a nobody to back it up, so we just have to take it as a fact that whenever Palps tells the Force to make a baby that it goes to some random woman across the galaxy. We also have the benefit of lining up with Rey’s TLJ dark side cave vision where she can’t see her parents. Our current line of “Your parents, Rey… they had no part in your conception…” suggests that was because she is genetically unrelated to them, only to the Force itself. We also make Rey a Skywalker in every sense of the word except exact genetic makeup.