This would mean that Rey is the granddaughter of Emperor Palpatine, which could be shown in The Rise of Skywalker.
Now, some clever Redditors have gone through and found information about the aborted show and may have even uncovered how Rey and Emperor Palpatine could be connected in The Rise of Skywalker.
Related: Rise of Skywalker Death Star Mystery Solved in Older Star Wars Book?
There’s been a lot of talk about the return of Emperor Palpatine in Rise of Skywalker over the past several months.