Spoiler warning: Plot and/or ending details follow.
- "I'm descended from spies. Languages are useful, particularly when it comes to understanding those who seek to destroy the Klingon Empire."
- —L'Rell to Gabriel Lorca, 2256
L'Rell was a female Klingon and follower of T'Kuvma.
Her father was a kinsman of T'Kuvma and a member of the House of T'Kuvma, while her mother was of the House of Mo'Kai. She considered herself to be part of both houses.
In 2256, L'Rell served aboard T'Kuvma's flagship. (DSC episodes: "The Vulcan Hello", "Battle at the Binary Stars")