Rt. Rev. Robert Edward Trefusis1 
He graduated with a Doctor of Divinity (D.D.)1 He held the office of Bishop of Crediton between 1897 and 1930.1
Children of Rt. Rev. Robert Edward Trefusis and Emma Mary Wethered
- George Rodolph Trefusis+2 b. 24 Feb 1875, d. 23 May 1927
- Mary Hyeritha Trefusis2 b. 24 Jul 1876, d. 5 Jan 1941
- Robert Peel Trefusis2 b. 16 Jun 1880, d. 17 Apr 1947
- Captain Haworth Walter Trefusis2 b. 20 Jul 1882, d. 7 Nov 1916
- Captain Arthur Owen Trefusis2 b. 2 Jun 1884, d. 7 Jul 1916
- Reverend Francis Mackworth Trefusis2 b. 22 Jul 1886, d. 6 Nov 1962
- Hilda Trefusis2 b. 2 Jan 1891
Owen Wethered1
Child of Owen Wethered
- Emma Mary Wethered+2 d. 11 Apr 1927
Emma Mary Wethered1 
From 7 May 1874, her married name became Trefusis.
Children of Emma Mary Wethered and Rt. Rev. Robert Edward Trefusis
- George Rodolph Trefusis+2 b. 24 Feb 1875, d. 23 May 1927
- Mary Hyeritha Trefusis2 b. 24 Jul 1876, d. 5 Jan 1941
- Robert Peel Trefusis2 b. 16 Jun 1880, d. 17 Apr 1947
- Captain Haworth Walter Trefusis2 b. 20 Jul 1882, d. 7 Nov 1916
- Captain Arthur Owen Trefusis2 b. 2 Jun 1884, d. 7 Jul 1916
- Reverend Francis Mackworth Trefusis2 b. 22 Jul 1886, d. 6 Nov 1962
- Hilda Trefusis2 b. 2 Jan 1891
George Rodolph Trefusis1 
He fought in the Boer War.1 He gained the rank of Major in the Loyal North Lancashire Regiment.1 He fought in the First World War.1
Child of George Rodolph Trefusis and Elsie Jane Harrison
- Robert John Rodolph Trefusis+2 b. 17 Oct 1914, d. 13 May 1997
James S. Harrison1
Child of James S. Harrison
- Elsie Jane Harrison+2 d. 16 Apr 1946
Elsie Jane Harrison1 
From 1 June 1911, her married name became Trefusis.
Child of Elsie Jane Harrison and George Rodolph Trefusis
- Robert John Rodolph Trefusis+2 b. 17 Oct 1914, d. 13 May 1997
Robert John Rodolph Trefusis1 
Robert John Rodolph Trefusis also went by the nick-name of Jack.1 He was educated at Brighton College, Brighton, Sussex, EnglandG.1 He was registered as a Member, Institution of Civil Engineers (M.I.C.E.)1 He fought in the Second World War.1 He gained the rank of Major in the Scots Guards.1 He was registered as a Chartered Engineer (C.Eng.)1 He was awarded the Officer, Order of the Crown of Belgium.1 He was appointed Fellow, Institution of Mechanical Engineers (F.I.Mech.E.)1
Children of Robert John Rodolph Trefusis and Shirley Adeline Scott Barton
- Rosemary Jane Trefusis+2 b. 14 Sep 1959
- Reverend Charles Rodolph Trefusis+2 b. 1 Sep 1961
Charles Scott Barton1
Child of Charles Scott Barton
Shirley Adeline Scott Barton1
From 2 September 1955, her married name became Trefusis.
Children of Shirley Adeline Scott Barton and Robert John Rodolph Trefusis
- Rosemary Jane Trefusis+2 b. 14 Sep 1959
- Reverend Charles Rodolph Trefusis+2 b. 1 Sep 1961
Reverend Charles Rodolph Trefusis1
He lived in 2003 at Christ Church Vicarage, 38 Woodcote Valley Road, Purley, Surrey, EnglandG.1
Children of Reverend Charles Rodolph Trefusis and Catherine Dudgeon
- Harriet Sarah Patricia Trefusis2 b. 1991
- Charlotte Rosanna Trefusis2 b. 1993
- Eleanor Rachel Trefusis2 b. 26 Sep 1995
- William Henry Rodolph Trefusis2 b. 15 Oct 1997
