William Colvin1
- [S1438] Sir William, Bt. Arbuthnot, “re: Arbuthnot and Duff Families,” e-mail message to British and European Nobility Register, 29 August 2005 and later. Hereinafter cited as “re: Arbuthnot and Duff Families.”
Emily Colvin1
- [S1438] Sir William, Bt. Arbuthnot, “re: Arbuthnot and Duff Families,” e-mail message to British and European Nobility Register, 29 August 2005 and later. Hereinafter cited as “re: Arbuthnot and Duff Families.”
Hester Marion Arbuthnot1 
From 23 July 1890, her married name became Cobbold.1
Children of Hester Marion Arbuthnot and William Nevill Cobbold
- Lorna Cobbold1
- Geoffrey Wyndham Nevill Cobbold+1 b. 5 Sep 1892, d. 1980
- [S1438] Sir William, Bt. Arbuthnot, “re: Arbuthnot and Duff Families,” e-mail message to British and European Nobility Register, 29 August 2005 and later. Hereinafter cited as “re: Arbuthnot and Duff Families.”
William Nevill Cobbold1 
Children of William Nevill Cobbold and Hester Marion Arbuthnot
- Lorna Cobbold1
- Geoffrey Wyndham Nevill Cobbold+1 b. 5 Sep 1892, d. 1980
- [S1438] Sir William, Bt. Arbuthnot, “re: Arbuthnot and Duff Families,” e-mail message to British and European Nobility Register, 29 August 2005 and later. Hereinafter cited as “re: Arbuthnot and Duff Families.”
Michael David Nevill Cobbold1 
He was educated at Charterhouse School, Godalming, Surrey, EnglandG.1 He graduated from New College, Oxford University, Oxford, Oxfordshire, EnglandG, with a Master of Arts (M.A.)1 He was educated at Royal Military Academy, Sandhurst, Berkshire, EnglandG.1 He gained the rank of officer in the 2nd Battalion, The Buffs.1 He fought in the Second World War between 1940 and 1945.1 He was a partner with Stileman Neate and Topping, solicitors in 1959.1 He held the office of Lord Mayor of Westminster between 1973 and 1974.1
Children of Michael David Nevill Cobbold and Ann Rosemary Trevor
- Charles Nevill Cobbold1 b. 1951, d. 1951
- Gillian Mary Cobbold+1 b. 1953
- Colonel Richard Nevill Cobbold+1 b. 1955
- Christopher Geoffrey Cobbold+1 b. 1959
- [S1438] Sir William, Bt. Arbuthnot, “re: Arbuthnot and Duff Families,” e-mail message to British and European Nobility Register, 29 August 2005 and later. Hereinafter cited as “re: Arbuthnot and Duff Families.”
- [S266] World War II Unit Histories – Officers, online http://www.unithistories.com/units_index/default.asp?file=../officers/personsx. Hereinafter cited as World War II Unit Histories – Officers.
Ann Rosemary Trevor1 
From circa 1949, her married name became Cobbold.1
Children of Ann Rosemary Trevor and Michael David Nevill Cobbold
- Charles Nevill Cobbold1 b. 1951, d. 1951
- Gillian Mary Cobbold+1 b. 1953
- Colonel Richard Nevill Cobbold+1 b. 1955
- Christopher Geoffrey Cobbold+1 b. 1959
- [S1438] Sir William, Bt. Arbuthnot, “re: Arbuthnot and Duff Families,” e-mail message to British and European Nobility Register, 29 August 2005 and later. Hereinafter cited as “re: Arbuthnot and Duff Families.”
- [S4567] Bill Norton, “re: Pitman Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 6 April 2010 and 19 April 2011. Hereinafter cited as “re: Pitman Family.”
Charles Nevill Cobbold1 
- [S1438] Sir William, Bt. Arbuthnot, “re: Arbuthnot and Duff Families,” e-mail message to British and European Nobility Register, 29 August 2005 and later. Hereinafter cited as “re: Arbuthnot and Duff Families.”
Gillian Mary Cobbold1
From 1973, her married name became Gowing.1
Children of Gillian Mary Cobbold and Martyn Gowing
- Helen Elizabeth Gowing+1 b. 1980
- Timothy Mathew Gowing1 b. 1982
- Simon Charles Gowing1 b. 1986
- [S1438] Sir William, Bt. Arbuthnot, “re: Arbuthnot and Duff Families,” e-mail message to British and European Nobility Register, 29 August 2005 and later. Hereinafter cited as “re: Arbuthnot and Duff Families.”
Martyn Gowing1
Children of Martyn Gowing and Gillian Mary Cobbold
- Helen Elizabeth Gowing+1 b. 1980
- Timothy Mathew Gowing1 b. 1982
- Simon Charles Gowing1 b. 1986
- [S1438] Sir William, Bt. Arbuthnot, “re: Arbuthnot and Duff Families,” e-mail message to British and European Nobility Register, 29 August 2005 and later. Hereinafter cited as “re: Arbuthnot and Duff Families.”
- [S4567] Bill Norton, “re: Pitman Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 6 April 2010 and 19 April 2011. Hereinafter cited as “re: Pitman Family.”
Helen Elizabeth Gowing1
From 2009, her married name became Haigh.1
Child of Helen Elizabeth Gowing and Mark Dominic Graeme Haigh
- Alexander Samuel Graeme Haigh2 b. 2010
- [S1438] Sir William, Bt. Arbuthnot, “re: Arbuthnot and Duff Families,” e-mail message to British and European Nobility Register, 29 August 2005 and later. Hereinafter cited as “re: Arbuthnot and Duff Families.”
- [S4567] Bill Norton, “re: Pitman Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 6 April 2010 and 19 April 2011. Hereinafter cited as “re: Pitman Family.”
