Ernest Trelaw was the vicar of Cheldon Bonniface. In December 1992, he, his church, Peter and Emily Hutchings were transported to the Moon by the Timewyrm, where they watched over the unconscious Seventh Doctor and Ace. (PROSE: Timewyrm: Revelation)
Ernest Trelaw had a brother, Mike, and a niece, Annie. (PROSE: Happy Endings)