William Fitzgerald Pilcher1 
- [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.”
Mary Anne Fotheringham 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.”
Jemima 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.”
Georgina Helen 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.”
Anna Margaret 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.”
Margaret Ogilvie Dunbar1 
She lived at Kinkorth, ScotlandG.1 From 1 February 1772, her married name became Duff.1
Children of Margaret Ogilvie Dunbar and James Duff
- Jane Duff1 b. c 1773
- Mary Duff1 b. c 1774, d. b 1803
- James William Duff1 b. c 1776, d. 28 Jul 1797
- Fife Duff1 b. c 1778, d. 1800
- John Duff1 b. c 1779, d. 1801
- Isabella Duff1 b. c 1780
- Catherine Duff1 b. c 1782, d. b 1852
- Anne Duff+1 b. c 1784, d. 1876
- Sophia Duff1 b. c 1785
- [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 Dunbar1 
Child of James Dunbar
- Margaret Ogilvie Dunbar+1 b. 1754, d. 1829
- [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.”
Elizabeth Clendon1
From 6 August 1752, her married name became Baker.1
Child of Elizabeth Clendon and David Erskine Baker
- Elizabeth Baker1 b. 4 Feb 1754
- [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.”
Sir William Dunbar1 
Child of Sir William Dunbar and Isabell Abercromby
- [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.”
Jane 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.”
