Princess Leia Organa of Alderaan (born Leia Skywalker; later Leia Organa; and commonly referred to as simply Princess Leia) is a fictional character in the Star Wars universe.
She is one of the main protagonists of the original Star Wars trilogy. In Return of the Jedi, it is revealed that she is the twin sister of Luke Skywalker, and thus the daughter of Darth Vader, formerly known as Anakin Skywalker. In the prequel films, her birth mother is identified as Padmé Amidala. Her adoptive father is Bail Organa, who is depicted as the head of Alderaan's royal family and a supporting character in the prequels. She is portrayed by actress Carrie Fisher.