Osika Kirske/Legends

Osika Kirske was a little-known Rattaki warlord who killed Asajj Ventress's parents when she was an infant. Later, Asajj was trained by a Ky Narec, a young Jedi who was stranded on Rattatak. Osika then killed Ky Narec. Asajj, then insanely furious, killed Osika Kirske.