In Legend, he found out a few different ways. One, he heard about the new enforcer of the Empire in an Cantina and seen a Hologram of Vader fighting and even though it was a little clunky he saw Anakin's influence in his dueling. It was during his viewing of the hologram that Obi-Wan knew Darth Vader was Anakin.
It's pretty much confirmed that he knows in Clone Wars season 7. In a scene, Anakin has a secret and technically illegal call with Padme, and despite trying to hide it, Obi-Wan knows exactly who he's talking to. Which he means he also knows that Anakin runs off to Padme every time they return to Coruscant as well.
She discovers the truth in Star Wars Rebels when she encounters the Sith Lord in a space battle. What she senses is so shocking to her that she passes out. Snips has her suspicions confirmed when she comes face to face with Vader in the Rebels season 2 finale, in a Sith Temple on the planet Malachor.
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.
Anakin Skywalker is Only Just Ahsoka Tano's Senior
At this point in the timeline, Ahsoka was 14 years old. As the animated movie took place in the same year as Attack of the Clones, this puts Anakin at 19 years old, creating a five-year age gap between him and Ahsoka.
Very few people knew that Darth Vader and Anakin Skywalker were the same person up to his death in 5 ABY. Imperials who knew in the current canon: Sidious (emperor), Grand Moff Tarkin, all or most of the Inquisitors, Grand Admiral Thrawn, various clones in the early empire.
Yoda's Conversation With Anakin Hints He Knows About Padmé
Right before Anakin is due to leave for Scipio, he discusses the matter with Yoda and Mace Windu. During this scene, it is heavily implied that Yoda – and thus, Windu – are both aware of Anakin's deeper feelings for Padmé.
The marriage, witnessed by the droids C-3PO and R2-D2, was kept secret due to Amidala's place as a prominent Senator in the Galactic Republic and because of Skywalker's membership in the Jedi Order; the Jedi Code prevented Jedi from falling in love and forming attachments such as marriage.
In order to keep the children safe from Vader, who was unaware of their births, it was decided that Luke would be taken to live with his uncle and aunt, Owen and Beru Lars, on Tatooine; meanwhile Leia was taken to Alderaan as the adopted child of Amidala's friend and colleague, Senator Bail Organa, and his wife, Queen ...
James Luceno's novel Tarkin confirms the Grand Moff had deduced who Darth Vader really was. Tarkin had worked with Anakin Skywalker during the Clone Wars, and he found the Dark Lord of the Sith eerily familiar, even recognizing some of his tactics.
While the Jedi High Council believed that Anakin was only escorting the Queen back to her home, the two were actually getting married at Varykino, a lake retreat on Naboo. Given that the events of Attack of the Clones happened in 22 BBY, Padmé's age was 24, and Anakin's age was 19 at the time of their marriage.
Anakin Skywalker was 22 years old in Revenge of the Sith, a crucial moment when he falls to the dark side and becomes Darth Vader. Darth Vader was 44 years old when he confronted Luke on Bespin in The Empire Strikes Back, attempting to seduce his son to the dark side.
Summary. Anakin Skywalker's birth mystery is solved - his mother, Shmi Skywalker, reveals that there was no father and she can't explain what happened. Qui-Gon Jinn believed that the Force itself created Anakin in Shmi's womb, making him the Chosen One who would bring balance to the Force.
Darth Vader acts like he doesn't even know C-3PO or R2D2. They were with him since he was a child. He did everything he could to forget his past. Also, his plating had been replaced many times, and protocol droids all look very similar.
secondly, in Legends, R2 was given programming that actually restricted him. from sharing any information with Luke or Leia. about their parents or relation to one another. this was all part of the plan. to conceal this information from the twins.
Unfortunately, Rex and Vader never meet again though. Why didn't Palpatine feel afraid of showing his evil actions, behaviors and ways to Anakin and the Jedi anymore?
As has been noted in several instances, Artoo has never had a full memory wipe, enabling him to retain his recollections of everything he saw and heard over the decades. This includes his first meeting with Padme Amidala, a nine-year-old Anakin Skywalker, and C-3PO himself during the events of The Phantom Menace.
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. "Sister," the Emperor taunted.
