Ghianna Hayde was a female Dathomirian Nightsister who lived during the time of the Galactic Civil War. Sometime following the Battle of Yavin in 0 ABY, Ghianna Hayde fell victim to the Blackwing virus, and turned into an undead manifestation. Her reanimated corpse was later destroyed by a spacer in the Quarantine Zone on Dathomir.