kellyliston2017 said:
Another piece of symbolism which leads to the revelation of Princess Leia as Luke’s twin sister separated from him at birth is the scene where they are leaving Cloud City and
Density said:
I think the Luke/Leia thing very obviously was foreshadowing, or at least a hint. Maybe they hadn’t decided definitively that was the road they were going down yet, but…
They were never intended to be related. There are plenty of interviews and script drafts proving it was ham-fisted last minute ROTJ writing by Lucas after he realized he’d not thought out “there is another”. Well documented if you care to look for it. Same for the Vader/Father rewrite. Not part of the original story and also well documented.
In Brackett’s screenplay, Luke’s sister Was named Nellith and she wasn’t going to make an appearance until the after the third film.