He knew Luke was, but not Leia at first. In the first two Star Wars films, Vader comes face to face with her multiple times and doesn't recognize her as his daughter. As for Luke, he knew from the moment he heard the name he had a son and tried to find him.
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.
Alderaan's princess knew she had been adopted by Bail and Breha Organa after the Clone Wars, but she had no idea who her parents were. That was until Luke Skywalker told her the truth - that he was the son of Darth Vader, and that she was his sister.
Darth Vader only learned he had a daughter in Return of the Jedi - but there's no evidence he realized she was Leia before his death and redemption. Darth Vader may have never known Princess Leia was his daughter in Star Wars and never cultivated a relationship with her, even when he was a Force ghost.
Why Darth Vader NEVER Hunted For Yoda After Order 66 - Star Wars Explained
How did Palpatine know Luke was Vader's son?
Instead of being in the life suit, Vader looks like an older Anakin who never received the devastating injuries, and Padmé and Luke (who struck down Palpatine) are by his side. It's during these visions Palpatine realizes Luke - who he only knew as the Rebel who destroyed the Death Star - is Anakin's son.
Returning to Dagobah to complete his training, an ailing Yoda told Luke the terrible truth that Vader was his father, Anakin Skywalker. Rather than destroy his father, Luke sought to bring him back into the light. At 900 years old, Yoda passed away, telling Luke that there was another Skywalker.
R2-D2 was present when Padmé gave birth to Leia and Luke, so he knew Luke was Anakin's son – but what he didn't know was that Anakin became Darth Vader. In addition to that, Anakin's fall was surely a painful event in R2-D2's life, one that he definitely wouldn't like to remember or even talk about.
Shmi informs Qui-Gon that Anakin has no father, leading Qui-Gon to suggest that Anakin is a product of midi-chlorians (Force-imparting microorganisms). As the film progresses, Anakin leaves Tatooine to begin his Jedi training.
Din Djarin has been teaching Grogu how to navigate the galaxy, and Grogu could honor his father by becoming a bounty hunter in the future. Grogu does not have to be the new Mand'alor or a Jedi Master. Instead, Din Grogu could make his own through the galaxy, perhaps assisting the New Republic as a bounty hunter.
At what point does Darth Vader realize Luke is his son?
Vader was hunting down the pilot who blew up the Death Star, and hired Boba Fett to find them. Boba was unable to, but he did give Vader a name: “Skywalker.” This, combined with his knowing Luke was Force-sensitive and had been trained by Obi-Wan, was what made him realize the truth.
Why is Darth Vader obsessed with finding Luke Skywalker?
Darth Vader's obsession with Luke Skywalker in The Empire Strikes Back is seemingly due to the latter's destruction of the Death Star battle station, but his revelation to Luke and brief dialogue with Emperor Palpatine recontextualizes his pursuit.
The two recognize Luke's similarities to Anakin and try to prevent him from sharing his father's fate, but they let him remain Luke Skywalker instead of having him go by Luke Lars out of respect for his grandmother, Shmi Skywalker.
In Star Wars Legends Leia was visited by the force ghost of her father Anakin Skywalker, the man who used to be Darth Vader. It wasn't a pleasant meeting as Leia was unable to forgive him for the things he'd done no matter how hard he begged, and it was the only time she saw him.
It wasn't until Bloodline that Leia began to truly understand Anakin Skywalker, in a situation where she too felt tempted. "She'd always wondered what had led her father to turn to the dark side," Leia reflected, "to become Darth Vader. She'd imagined it came from ambition, greed, or some other venal weakness.
To protect the children from the Empire and their father, the now-Sith Lord Darth Vader, Obi-Wan Kenobi personally sent the infant Luke to be raised by Anakin's stepbrother, Owen Lars and his wife, Beru on the planet Tatooine, while Senator Bail Organa agreed to adopt Leia together with his wife, the queen of Alderaan.
Did Anakin Skywalker/Darth Vader love Luke Skywalker? Yes he did. Now as someone consumed by the dark side, he really sucked at showing it at first. His idea of love was to turn his son to the dark side so they can rule the galaxy together.
While he had suffered fatal injuries from the Emperor's lightning, Vader's redeeming final act restored his consciousness to Anakin Skywalker, and he had one last moment with Luke before peacefully accepting his death.
Sure. Obviously he did, otherwise he wouldn't have saved him. Vader had still a good portion of Anakin inside of him Luke sensed it and Padme who is not Jedi felt it. Luke being alive renewed the hope of Vader he gave up any chance to rebel against Papaltine but his son did that.
With Anakin's mother dead, his padawan Ahsoka estranged and his faith in Obi-Wan and the rest of the Jedi council fading, Padmé was all he had left by the climax of Revenge of the Sith. By eliminating her, Palpatine would be the only one left for Anakin to turn to and therefore would have complete control over him.
So, how much did Luke actually know about Anakin Skywalker? For his 19 years being raised on Tatooine, Luke got told little about his father because Owen Lars thought it best he knew as little as possible to keep him safe from the Empire and away from the Jedi Order.
Many fans declare that Luke won the confrontation because he nearly killed Vader, but that's technically not true. Vader was far more powerful than Luke and easily could have bested him. So, knowing that Vader wasn't allowed to kill Luke drastically changes the equation.
While fans don't know the state of Grogu's well-being in the sequel trilogy, his ties to Mandalore might explain why Kylo Ren doesn't kill him. It's likely Grogu stays with Din Djarin and the Mandalorians, and never returns to embark on his training with Luke.
Within "Star Wars" media, Grogu is the youngest known member of Yoda's species. He is one of three featured characters from this species. The other is Yaddle, the only other adult and female member of Yoda's species who appeared in "Star Wars: The Phantom Menace" and "Tales of the Jedi."
