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. “Ben Kenobi, where is he?” she says, raring to go. That name was all she needed to hear.
Prior to this series, it never made a lot of sense why Leia would've named her son after Ben Kenobi, the mentor of her brother whom she never met.
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.
It's during this experience that Obi-Wan really makes an impact on Leia's life. So, even when she eventually learns his real name, Leia always associated the Jedi Master with Ben rather than Obi-Wan. Inspired by this, it makes sense that she decided to name her son Ben Solo — after Ben Kenobi.
Related Story. It's not just about the rescue. In episode two, Leia reminds Obi-Wan of someone "fearless and stubborn" that he used to know. Not a Jedi, but "a leader." Kenobi is of course talking about Padmé Amidala, Leia's biological mother, but she doesn't realise that at this point.
“So Leia Force projects herself as Ben and uses her life force to save Rey. Even going as far as to kiss Rey to convince her it's Ben. It's why when Ben disappeared, so did Leia.”
In Star Wars: Legends canon, Luke Skywalker was actually the one to name his son Ben Skywalker in honor of Obi-Wan. Leia and Han had three children, and they named their youngest son Anakin after Anakin Skywalker, Leia's biological father.
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.
Not only did she give birth to Ben Solo (who went on to become Kylo Ren) when she was 24 years old, but she was also trained by Luke and even had her own lightsaber, which Rey used in Rise of Skywalker, though it's unknown exactly when the training happened, so how old she was when she was Luke's apprentice is a ...
Originally Answered: In "Obi-wan Kenobi", why is Leïa played by a 6-8 years old while she is supposed to be 10? Vivien Lyra Blair is 9, so she would have been 8–9 when Obi-Wan Kenobi was filmed, not 6–8. Carrie Fisher was a famously small woman. It makes sense for her to be played by a small child.
In Death Star, it seems the Sith Lord could have discovered Leia's true identity if he'd pursued his hunch. However, Leia's strong-mindedness during Vader's probe denied him the opportunity to discover she was his daughter.
The reason Darth Vader could sense Obi-Wan and Luke was because of how they actively used the Force several times throughout the Original Trilogy. Vader never sensed Leia because she didn't the Force; Leia did not even know she had Force powers to begin with.
We know from Leia's parents and from moments in the Star Wars sequels that she was, in fact, Force-sensitive, even though she didn't get a chance to display those powers in the original trilogy.
Obi-Wan did not disclose to Luke the identity of his sister, as his attachment to her could betray them both to the enemy (as it did in RotJ).
Obi-Wan Only Says He Never Owned R2
Note that he says nothing about not recognizing R2; his clever dodge gives the impression that they're strangers but doesn't actually deny knowing the little astromech. Thus, there really isn't a "contradiction" in the first place—Obi-Wan was just being his cunning self.
With Leia, Luke, and Darth Vader all being major characters in "Obi-Wan Kenboi," the show is having to tread lightly as the "Star Wars" canon is pretty explicit. We know exactly when Vader discovered that Luke was his son, and we know when he figured out that Leia was connected to him as well.
Now that she knew the truth about her parentage and her Force powers, Leia trained as a Jedi with Luke, honing her Force abilities and constructing a lightsaber. But she ended her apprenticeship after having a vision that her Jedi path would end with the death of her son.
So, is Leia a Jedi? While Leia was just as strong with the Force as her brother Luke, she never became a Jedi. Still, she did begin her training. Shortly after the Battle of Endor, the twins began training together, with Luke guiding Leia through meditative practices and sparring exercises.
Due to her powerful Force heritage, Leia, following her family's legacy, became a Jedi Knight in the New Jedi Order. She was partially trained by her brother Luke and later by Jedi Master Saba Sebatyne, who declared her a fully trained Knight at the end of the Swarm War.
This is not because the Third Sister knows that Leia is Anakin Skywalker's child; it is because the Third Sister found a link between Obi-Wan and Bail Organa and she believed Obi-Wan would do anything to save Bail's daughter.
However, she chose not to tell Anakin, presumably because he was about to go into a battle. Anakin was prone to letting his emotions affect him, and knowing that Padme was pregnant would've thrown him completely off the task. And Padme probably didn't think that her husband would be fighting battles for months to come.
What would happen if Darth Vader came across R2-D2 and C3PO? He came across Threepio on Bespin. He either didn't realize it was the same protocol droid or figured he'd been memory-wiped so FUNCTIONALLY wasn't the same droid and didn't care.
Leia is annoyed with Han, who insists she has feelings for him, so she kisses Luke to prove she doesn't. Presumably, the scene was simply meant to make Han jealous.
Many of the Expanded Universe stories take place after or in between the events of the movies, and follow the main characters as they grow and start families. Han Solo marries Princess Leia and they have three children: twins named Jacen and Jaina, and a younger son named Anakin.
In A New Hope, Leia famously sends a holographic message to Ben on Tatooine and says, “Help me Obi-Wan Kenobi.