Ky Narec/Legends

The background of Jedi Ky Narec is unknown. His ship fell down into the barbaric planet Rattatak in approx. 40-50 years before ANH and found the orphan girl Asajj Ventress. Because he found the girl strong in the force, he teached her the Jedi arts. But before he finished her Jedi training he was murdered by a Rattatak warlord. After his death, Asajj Ventress turned to the Dark Side.