The House of Mortran was one of the Great Houses of the Klingon Empire. As of 2376, it was headed by Councillor Mortran. Along with the councillor, Yakril, son of Wolkor, was a member of the House of Mortran. (TNG novel: A Burning House) The House of Mortran faced a shortage of engineers such that the the House was forced to hire Ferengi and Romulan engineers to complete the design of the Khin'Vagh-class. (Star Trek: False Vacuum: "Wagon Train to the Stars")