Tremas was a consul of Traken. (TV: The Keeper of Traken [+]Johnny Byrne, Doctor Who season 18 (BBC1, 1981).)
Thomas Preston was the British consul in Ekaterinburg, Russia in July 1918. In this capacity, he hoped to be able to rescue the Romanovs from execution by the Bolsheviks on 16 July, but he was shot by one of their agents. (AUDIO: Last of the Romanovs [+]Jonathan Barnes, The First Doctor Adventures: Volume Four (The First Doctor Adventures, Big Finish Productions, 2020).)