Mara Jade Skywalker

Mara Jade Skywalker was a human female and an assassin for Emperor Sheev Palpatine during the Galactic Civil War. Sidious gave her the title of "Emperor's Hand" and the assignment of killing Luke Skywalker. Following her master's death above Endor, Jade continued with her mission - only to end up marrying Skywalker many years later. She was killed by one of Luke's students who turned to the dark side before he went into hiding.