Thomas Abdy Fellowes1 
Male, Registry Number #180411, b. 15 October 1817, d. 14 August 1895
Citations:
- [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.”
- [S3268] Hans Harmsen, “re: Chester Family,” e-mail message to BENR, 21 August 2008. Hereinafter cited as “re: Chester Family.”
Margaret Duff1 
Female, Registry Number #180412, b. 1791, d. 1803
Citations:
- [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.”
Patrick Duff1 
Male, Registry Number #180413, b. 12 June 1766, d. circa 1801
Citations:
- [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.”
Clementina Duff1 
Female, Registry Number #180414, b. 16 January 1767, d. circa 1845
Citations:
- [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.”
James Duff1 
Male, Registry Number #180415, b. 10 August 1768, d. before 1789
Citations:
- [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.”
Andrew Duff1 
Male, Registry Number #180416, b. 17 September 1769, d. 12 August 1818
Andrew Duff was born on 17 September 1769.
1 He was the son of
John Duff and
Helen Duff.
1 He died on 12 August 1818 at age 48.
1
Citations:
- [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.”
John Duff1 
Male, Registry Number #180417, b. 12 February 1771, d. before 1776
Citations:
- [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.”
Katherine Duff1 
Female, Registry Number #180418, b. 22 June 1772, d. 1805
Citations:
- [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.”
Jean Duff1 
Female, Registry Number #180419, b. 6 July 1773, d. 1793
Citations:
- [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 Duff1 
Male, Registry Number #180420, b. 12 October 1774, d. before 1808
Citations:
- [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.”