Occupation: Knight of Ren
The dark warrior known as Kylo Ren was born and raised as Ben Solo, son of Han Solo and Leia Organa. At some point in his youth he was sent to his uncle Luke Skywalker for Jedi training. While training he came under the influence of the dark side wielder Snoke, who corrupted his view of his parents and the galaxy. Ben cast off his former life, butchering the rest of the Jedi trainees and becoming Kylo Ren, looking to Vader for inspiration. When a map to Skywalker was found he lead the hunt for it following Rey and BB-8 from Jakku to Takodana. After returning to Starkiller base Rey’s Jedi powers emerged and she escaped. In his hunt for her he confronted his father and killed him, believing this would make him strong. Injured during the battle he confronted Rey and Finn, but was defeated when Rey drew on the Force. After the battle Snoke gave orders for him to come directly to him for training.
Occupation: Head of Stormtrooper division
A Stormtrooper from the days of the Empire Phasma rose through the ranks to lead all Stormtrooper operations on Starkiller command. While a decorated officer, she refuses the uniform of command, taking the title Captain and wearing Stormtrooper armour cast in Chromium from Palpatine’s personal shuttle. An imposing figure she lead Stormtrooper forces into battle personally and regularly patrolled her base. Phasma oversaw the mission to Jakku and observed Finn’s hesitation, she ordered him for reconditioning, which promoted his escape. On Starkiller base she was ambushed by Chewbacca and forced at gunpoint to lower the shields, which she did believing the Resistance had no hope of penetrating the base.
The Solo family met tragedy in the Starkiller battle (and presumably more to come following the real life tragedy of Carrie Fisher) but I would argue that their Legends counterparts had an even more tragic history.
Jaina, Jacen and Anakin Skywalker
Han and Leia had three children; twins Jaina and Jacen and their younger brother Anakin. All three were strong in the Force and were targets of the Imperial Remnant leaders – including Thrawn and the reborn Emperor. During the Yuuzhan Vong war Anakin was killed in battle against the invaders. Jacen eventually ended the war, becoming a living weapon through the Force. His experience led him to seek other paths to knowledge and he renamed himself Darth Caedus believing the Sith path was the only way to achieve galactic stability. His sister Jaina was forced to confront and kill her brother to end a civil war, leaving her the only surviving child.
Also curiously Luke Skywalker had a son who he named Ben