Susannah Trevelyan1
Susan Caroline Trevelyan1 
George Macaulay Trevelyan1 
He was educated at Harrow School, Harrow, London, England.1 He graduated from Trinity College, Cambridge University, Cambridge, Cambridgeshire, England, in 1896 with a Bachelor of Arts (B.A.)1 He graduated from Trinity College, Cambridge University, Cambridge, Cambridgeshire, England, in 1900 with a Master of Arts (M.A.)1 He was Commandant, British Red Cross Unit in Italy during First World War.1 He was appointed Commander, Order of the British Empire (C.B.E.) in 1920.1 He was Regius Professor of Modern History between 1927 and 1943 at Trinity College, Cambridge University, Cambridge, Cambridgeshire, England.1 He was awarded the Order of Merit (O.M.) in 1930.1 He was Master between 1940 and 1951 at Trinity College, Cambridge University, Cambridge, Cambridgeshire, England.1 He held the office of High Steward of Cambridge in 1946.1 He wrote the book History of England.1 He wrote the book British History of the Nineteenth Century.1 He wrote the book Grey of Falloden.1 He wrote the book Lord Grey of the Reform Bill.1 He wrote the book Garibaldi and the Making of Italy.1 He wrote the book England Under Queen Anne.1
He wrote the book English Social History.1 He wrote the book England in the Age of Wycliffe.1 He wrote the book The English Revolution.1 He wrote the book England under the Stuarts.1
Children of George Macaulay Trevelyan and Janet Penrose Ward
- Mary Caroline Trevelyan2 b. 19 Feb 1905
- Theodore Macaulay Trevelyan2 b. 5 Jul 1906, d. 19 Apr 1911
- Charles Humphry Trevelyan+2 b. 6 Mar 1909, d. 1 Apr 1964
Humphry Ward1
Child of Humphry Ward
- Janet Penrose Ward+2 d. 1956
Janet Penrose Ward1 
From 19 March 1904, her married name became Trevelyan. She was awarded the Companion of Honour (C.H.) in 1936.1
Children of Janet Penrose Ward and George Macaulay Trevelyan
- Mary Caroline Trevelyan2 b. 19 Feb 1905
- Theodore Macaulay Trevelyan2 b. 5 Jul 1906, d. 19 Apr 1911
- Charles Humphry Trevelyan+2 b. 6 Mar 1909, d. 1 Apr 1964
Theodore Macaulay Trevelyan1 
Charles Humphry Trevelyan1 
He graduated from Trinity College, Cambridge University, Cambridge, Cambridgeshire, England, with a Master of Arts (M.A.)1 He was a Fellow in 1947 at King’s College, Cambridge University, Cambridge, Cambridgeshire, England.1
Children of Charles Humphry Trevelyan and Mary Trumbull Bennett
- Jane Winchester Trevelyan+2 b. 29 Aug 1938
- Mary Harriet Trevelyan2 b. 11 Dec 1939
- Thomas Arnold Trevelyan+2 b. 27 Dec 1942
- George Macaulay Trevelyan+2 b. 1 Apr 1944
- Humphry Bennett Trevelyan2 b. 1 Apr 1944
Winchester Bennett1
Child of Winchester Bennett
- Mary Trumbull Bennett+2 d. 5 Nov 2002
Mary Trumbull Bennett1 
From 11 June 1936, her married name became Trevelyan.
Children of Mary Trumbull Bennett and Charles Humphry Trevelyan
- Jane Winchester Trevelyan+2 b. 29 Aug 1938
- Mary Harriet Trevelyan2 b. 11 Dec 1939
- Thomas Arnold Trevelyan+2 b. 27 Dec 1942
- George Macaulay Trevelyan+2 b. 1 Apr 1944
- Humphry Bennett Trevelyan2 b. 1 Apr 1944
Thomas Arnold Trevelyan1
He was educated at Bryanston School, Blandford, Dorset, England.1 He graduated from King’s College School, Cambridge, Cambridgeshire, England, with a Bachelor of Medicine (M.B.)1 He graduated from King’s College School, Cambridge, Cambridgeshire, England, with a Bachelor of Surgery (B.Chir.)1 He was registered as a Member, Royal College of General Practitioners (M.R.C.G.P.)1 He lived in 2003 at Onion Patch, 8 The Spinney, Itchenor, Sussex, England.1
Children of Thomas Arnold Trevelyan and Anne Margaret Jones
- Emma Susan Trevelyan2 b. 12 Oct 1966
- Harry Trevelyan2 b. 29 Feb 1968
- Selina Rose Trevelyan2 b. 9 Jul 1969
Children of Thomas Arnold Trevelyan and Anita Smith
- Clare Molly Trevelyan2 b. 11 Sep 1981
- Jack Humphry Trevelyan2 b. 13 Nov 1984, d. 20 Nov 1984
- Victoria Rossanna Trevelyan2 b. 26 Sep 1986