Born 2349 on Carrya IV Prison Camp to Kell’ahl and Etsoth Thurmadadh, both originally from the Khitomer colony. Thurmadadh’s father perished in 2357, while her mother remains on Carrya IV. Upon the camp’s discovery in 2369 by Worf, Thurmadadh left Carrya IV, traveling to Earth via USS Enterprise-D.

In 2371, Thurmadadh enrolled in Starfleet Academy, specializing in [field of study—let me know if you’d like to refine this]. Upon graduating, she was assigned to the Nebula-class USS Valencia, rising to the rank of Junior Lieutenant. In 2381, she joined a team in the Starfleet Corps of Engineers researching photon torpedo enhancements and was later promoted to Lieutenant in 2385.

Her discontent toward her heritage remains a sore point, yet she is deeply knowledgeable about Klingon culture, using it as a means to conceal her parents' shame. She has one daughter, Adalo Dreg, from a brief affair with Klingon Defence Force officer J’kril Dreg, who lives on Qo’noS with her paternal grandparents.