Gratach was a Klingon gardener on Qo'noS at the Emperor of the Klingon Empire's palace prior to 2375. She had been employed there as far back as Urthog's time. Martok liked to talk to Gratach and was saddened to learn that she likely died when the Great Hall was destroyed. (DS9 - The Left Hand of Destiny novel: The Left Hand of Destiny, Book One)