I think this could work. Restore the line about her coming home, as Palps could have been hopeful that his bloodline was stronger than the Skywalker’s.
Emperor Palpatine: “Long have I waited, for my grandchild to come home! I never wanted you dead. I only wanted the strongest to rule, Empress Palpatine. You will take the throne. It is your birthright to rule here. It is in your blood. Our blood.”