And that is an unforgiveable thing to do imo. The way I see it, we have two options here:

Leaving things as they are for Rey’s lineage in Ascendant v4. However, this sucks because in no universe is the son of the Emperor ever nobody, so it is a complete retcon. It’s also a retread of the same tired Star Wars trope.
New backstory for Rey - A Sith cult created a bunch of different clones of Palpatine to receive his conjured spirit, one of the experimental ones being Rey. A couple of nobodies joins their cult because they are at a low point in their lives. The mother, who is barren, sees baby Rey and wants to take the child as her own. The couple steals her, Ochi’s ship, and go on the run. Palpatine’s spirit is finally summoned to a clone on Exegol, is made aware of the situation, and sends assassins to kill all of his other clones. Rey’s parents go to Jakku to look for Lor San Tekka’s church and a link to Luke Skywalker, and they pay for Rey to be looked after while they search the desert. They’re caught by Ochi, refuse to give up Rey’s location, killed, and buried in a pauper’s grave.