Vader believed that his and Padmé's child died when she did, so there was no reason for him to consider anything else.
He only senses Luke when he actually using the Force, Leia is not actively aware or using the Force and therefore he does not sense her. He is also not looking for a daughter either until Luke spills the psychic beans on her later on.
Yes. In the book 'Tatooine Ghost', Leia learns of Anakin's life prior to his evolution into the Darth Vader personae. This revelation leads her to forgive him. She even named her third child in memory of her father.
Vader straight-up hated Leia. In the canon book Leia, Princess of Alderaan, Leia recounts how Vader tortured her for hours without mercy. Even when he knew she wasn't going to break. He would have killed her if he didn't think he needed her.
According to the film's official junior novelisation, Vader prevented the execution so that Leia could act as bait, leading the Empire to the Rebel Base on Yavin. Again, Vader remained silent, but he thought, If we'd done things your way, Princess Leia would have been executed by now.
Anakin does not have even the slightest bit of remorse. By the end, he feels nothing but anger. Although he feels regret for killing Padme, he still helps the evil Emperor. The film ends with Anakins standing side by side with the man on whose behalf he has committed all his crimes.
Darth Vader didn't learn he had a daughter until Return of the Jedi, when he stood before Emperor Palpatine. The Emperor's power probed Luke's mind, attempting to goad him to fall to the dark side, and he discovered Leia's existence.
During the iconic opening moments of Star Wars: A New Hope, Darth Vader has a tense confrontation with Princess Leia, an adversary who, unknown to him, is actually his daughter. Despite participating in Leia's interrogation, the Sith Lord doesn't uncover his familial connection with the rebellious royal.
She also knows Obi-Wan, and she knows him well. Her holographic plea for help, already iconic, will never be the same. She knows Obi-Wan's real name as well as his alias of “Ben.” When Luke comes barging into her cell and says, “I'm here with Ben Kenobi,” Leia jumps off the bunk in an instant.
Theory 1: Leia Doesn't Remember Ben Is Obi-Wan
Throughout her encounters with Kenobi in the series, he refers to himself as Ben. The most straightforward explanation would be that Leia knows the person who rescued her is Ben, and never connected the dots that Ben is actually Obi-Wan.
Over the years since the Youngling massacre, and even sometime before, Darth Vader has regretted killing the Younglings, recognizing that it was the most terrible thing he had ever done.
It is unclear whether Yoda would be more or less forgiving than Obi-Wan but one thing is certain - the former Grand Master would be ready to treat Anakin as an ally, following the events on the second Death Star. In Star Wars: Revenge of the Sith (2005), Yoda never really lost faith in Anakin in the way Obi-Wan did.
She later made use of a pale blue weapon and dueled and killed the fallen Hutt Jedi Beldorion with it on Nam Chorios. The third lightsaber Luke gifted her in 18 ABY had a ruby-red blade. Her fourth weapon was a blue-bladed lightsaber that she used throughout the Swarm War and thereafter.
Star Wars is finally exploring Leia's emotional reaction to the revelation Darth Vader was really her father - as her identity is transformed. Star Wars has finally revealed Princess Leia's reaction to learning Darth Vader was her father.
Darth Vader Likely Hates Padmé
In other words, Vader could only be in love with the Padmé before she betrayed him and hates her for not accepting what he became. In 2017's Darth Vader series, the eponymous fallen Jedi goes out of his way to deform Padmé's personal shuttle he later acquires.
First, she admitted that she didn't really care about the Force. Thus, if she went with Luke, she would be doing it for the sake of being with Luke, not because she was following the will of the Force. However, more importantly, Leia refused to be a Jedi because Darth Vader's power had scared her.
Obi-Wan came to the Death Star to save Leia from the Empire's clutches, but was killed by Darth Vader while the others were busy escaping. Leia didn't see Obi-Wan again, nor did she experience any sadness when she learned of his death.
She had no idea he was there and the junior novelization even suggests Obi-wan was fully aware of he was doing when he told her the truth, waited for her go after Anakin and hid in her ship.
In the story, we learn that Obi-Wan took on the name Ben because it's a nickname given to him by an old flame, the Duchess Satine Kryze. He takes on the name because it still has emotional resonance for him.
Reva knows that Anakin Skywalker is Darth Vader because she was one of his targets—a child—during the Order 66 killings that took place during the events of Star Wars Episode III: Revenge of the Sith.
In Legends, Luke and Leia do eventually discover their mother's identity during the Swarm War Trilogy.
But then we learned Padmé passed away moments after giving birth to the twins. Therefore, how could Leia have had any memories of her birth mother? But when little Leia realized Obi-Wan had known her birth mother, he shared a story that not only made Leia's memories of Padmé plausible, it made them all the more moving.
While their affection had to remain hidden, the two kept in frequent contact, even throughout the Clone Wars. But despite this, Anakin found out that Padme was pregnant only a couple of weeks before the twins were born. So, why did it take so long for her to tell him?
It's well known that Star Wars lead characters Luke Skywalker and Princess (now General) Leia are brother and sister. The estranged siblings didn't know about their familial relationship until "Return of the Jedi." They even shared a passionate kiss in the previous movie, "The Empire Strikes Back."
In this comic issue, Darth Vader is informed by Boba Fett that the Rebel pilot who destroyed the battle station (and briefly battled Vader on Cymoon 1 in issue 2) is named Luke Skywalker, who Vader immediately recognizes as his son.