Jakidi is a Nord ghost found in the Temple of Mourning Springs after the quest "Tears of the Two Moons" has been completed and the ghosts have returned to the temple. She will say that is searching for her ribcage when the Vestige talks to her.
Who are you? "A warrior, part of a raiding party from Windhelm. We attacked this island long ago. Hey, when you knocked my skull off that Argonian's body, do you remember where it landed? No? All right, I'll keep looking."