Beyus

Beyus was the leader of the Lakertyan race, the husband of Faroon and the father of Sarn.

Biography
Beyus was forced to serve the Rani alongside his daughter. At first he refused to rebel against the Rani, but was eventually convinced to do so by the Seventh Doctor. He sacrificed himself to destroy the Rani's Time Brain. (DW: Time and the Rani)