Talia Steelina

Talia is the daughter of Queen Bree and the cousin of Katrina. She was hired by Darth Vader as a secret agent to murder her mother so that when Talia becomes queen she could join the Empire. But when she hired an assassin to kill her mother, which the assassin did, but he only came back to be killed by Talia, because she didn't want anybody to know that she came up with the plot. But she didn't that her mother had secretly changed the will, leaving the throne to her cousin, Katrina. So when Katrina became the queen, Talia had broke into her cousin's chamber herself, but she could hear outside and quietly called for the guards. After interrogating her for 10 minutes, they killed her on the spot.