Robert Edward Trefusis was the first suffragan Bishop of Crediton from 1897 to 1930.
He was born in Bideford on 24 January 1843, a son of Captain Honorary George Rolle Walpole Trefusis (1793-1849), a younger son of Robert George William Trefusis, 17th Baron Clinton (1764–1797).
He was educated at Cheltenham College and Exeter College, Oxford.
Ordained in 1866, he began his ordained ministry as a curate in Buckingham. She became known to local parishioners as "Mission Urith". He subsequently served for 33 years as Suffragan Bishop of Crediton.
He died on 9 July 1930.
He celebrated the dedication of the Exeter War Memorial.