Hester Laura Elisabeth Duff1 
- [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.”
- [S37] BP2003 volume 1, page 1205. See link for full details for this source. Hereinafter cited as. [S37]
- [S37] BP2003. [S37]
Helen Douglas Duff1 
From 30 June 1923, her married name became Dolphin.1
Child of Helen Douglas Duff and Lt.-Cdr. Edgar Dolphin
- Lt.-Cdr. Peter Western Dolphin+1 b. 1924, d. 21 Nov 2019
- [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.”
- [S37] BP2003 volume 1, page 1205. See link for full details for this source. Hereinafter cited as. [S37]
Lt.-Cdr. Edgar Dolphin1 
He gained the rank of Lieutenant-Commander in the Royal Navy.1 He was awarded the Distinguished Service Order (D.S.O.)1
Child of Lt.-Cdr. Edgar Dolphin and Helen Douglas Duff
- Lt.-Cdr. Peter Western Dolphin+2 b. 1924, d. 21 Nov 2019
- [S37] BP2003 volume 1, page 1205. See link for full details for this source. Hereinafter cited as. [S37]
- [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.”
Lt.-Cdr. Peter Western Dolphin1 
He gained the rank of Lieutenant-Commander in the Royal Navy.2 He lived in 2003 at 11 Longmead, Woolton Hill, Newbury, Berkshire, EnglandG.2
Children of Lt.-Cdr. Peter Western Dolphin and Margaret Sally Maurice
- Jane Douglas Dolphin+4 b. 1957
- Mark Patrick Dolphin+4 b. 1958
- Sarah Katherine Dolphin+4 b. 1962
- [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.”
- [S37] BP2003 volume 1, page 1205. See link for full details for this source. Hereinafter cited as. [S37]
- [S466] Notices, The Telegraph, London, UK. Hereinafter cited as The Telegraph.
- [S37] BP2003. [S37]
Dorothy Alexandra Duff1 
From 18 January 1915, her married name became James.1 She was appointed Officer, Order of the British Empire (O.B.E.) in 1943.2
Children of Dorothy Alexandra Duff and Admiral Sir William Milbourne James
- Captain Christopher Alexander James+1 b. 24 Nov 1916, d. 1 Jan 1969
- Diana Millais James1 b. 1919, d. 1938
- [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.”
- [S37] BP2003 volume 1, page 1205. See link for full details for this source. Hereinafter cited as. [S37]
Admiral Sir William Milbourne James1 

Admiral Sir William Milbourne James was born on 22 December 1881.2 He was the son of Major William Christopher James and Effie Gray Millais.3 He married Dorothy Alexandra Duff, daughter of Sir Alexander Ludovic Duff and Janet Douglas Duff, on 18 January 1915.4 He died on 17 August 1973 at age 91 at Surrey, England.4,2
He held the office of Deputy Lieutenant (D.L.)1 He was appointed Knight Grand Cross, Order of the Bath (G.C.B.)1
Children of Admiral Sir William Milbourne James and Dorothy Alexandra Duff
- Captain Christopher Alexander James+4 b. 24 Nov 1916, d. 1 Jan 1969
- Diana Millais James4 b. 1919, d. 1938
- [S37] BP2003 volume 1, page 1205. See link for full details for this source. Hereinafter cited as. [S37]
- [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.”
- [S37] BP2003. [S37]
- [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.”
Captain Christopher Alexander James1 
He lived at Warroch House, Milnathort, Kinross-shire, Scotland.3 He was educated at Royal Naval College, Dartmouth, Devon, EnglandG.1 He fought in the Second World War, where he was mentioned in despatches.1 He gained the rank of Signal Officer in 1941 in the 4th MTB Flotilla.1 He was wit the Staff of Commander-in-Chief BPF and Signal Officer to 2nd in charge BPF between 1944 and 1945.1 He was Director of Staff between 1951 and 1952 at Royal Naval Staff College, Greenwich, London, EnglandG.1 He was Captain of the H.M.S. Concord between 1953 and 1954.1 He held the office of Deputy Lieutenant (D.L.) in 1966.1 He held the office of Justice of the Peace (J.P.) in 1967.1
Children of Captain Christopher Alexander James and Cynthia Swire
- Julian Alexander Ludovic James+2 b. 31 Oct 1939
- David Robin Millais James Duff, 13th of Hatton+2 b. 29 May 1945
- Simon Christopher James Duff2 b. 19 Oct 1946
- [S37] BP2003 volume 1, page 1205. See link for full details for this source. Hereinafter cited as. [S37]
- [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.”
- [S37] BP2003. [S37]
Cynthia Swire1 
From 6 April 1938, her married name became James.1
Children of Cynthia Swire and Captain Christopher Alexander James
- Julian Alexander Ludovic James+1 b. 31 Oct 1939
- David Robin Millais James Duff, 13th of Hatton+1 b. 29 May 1945
- Simon Christopher James Duff1 b. 19 Oct 1946
Julian Alexander Ludovic James1
He was educated at St. Aubyn’s School, Rottingdean, Sussex, EnglandG.2 He was educated at Charterhouse School, Godalming, Surrey, EnglandG.2 He was an Assistant Master between 1958 and 1968 at St. Aubyn’s School, Rottingdean, Sussex, EnglandG.2 He was Assistant Headmaster between 1968 and 1974 at St. Aubyn’s School, Rottingdean, Sussex, EnglandG.2 He was Headmaster between 1974 and 1998 at St. Aubyn’s School, Rottingdean, Sussex, EnglandG.2 He lived in 2003 at Craigforth, Chapel Green, Earlsferry, Leven, Fife, ScotlandG.2
Children of Julian Alexander Ludovic James and Hilary Jane Browne
- Christopher Mark William James1 b. 18 Feb 1967
- David Hugh Geoffrey James1 b. 31 May 1969
- Andrew Michael Richard James1 b. 2 May 1976
- [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.”
- [S37] BP2003 volume 1, page 1205. See link for full details for this source. Hereinafter cited as. [S37]
Hilary Jane Browne1
From 18 December 1965, her married name became James.1
Children of Hilary Jane Browne and Julian Alexander Ludovic James
- Christopher Mark William James1 b. 18 Feb 1967
- David Hugh Geoffrey James1 b. 31 May 1969
- Andrew Michael Richard James1 b. 2 May 1976
- [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.”
- [S37] BP2003 volume 3, page 3674. See link for full details for this source. Hereinafter cited as. [S37]
- [S37] BP2003. [S37]