William Duff1 
He lived at Dipple, Banffshire, ScotlandG.1
Children of William Duff and Helen Gordon
- Helen Duff2 b. 1682, d. Jul 1746
- Catherine Duff+2 b. 1683, d. 20 Dec 1758
- Mary Duff2 b. 1684
- Isabel Duff+2 b. 1688
- Alexander Duff2 b. 1690
- Elizabeth Duff2 b. c 1692
- Jean Duff2 b. 1694
- William Duff, 1st Earl Fife+1 b. 1697, d. 30 Sep 1763
- Ludovick Duff2 b. 1698
Children of William Duff and Jean Dunbar
- Henrietta Duff2 d. 8 Aug 1748
- Anne Duff2 b. 1705
- Janet Duff+2 b. 1710
- Mary Duff2 b. 5 Aug 1714
- Alexander Duff2 b. 18 Mar 1715/16
- [S37] BP2003 volume 1, page 1426. 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.”
Helen Gordon1
She was also known as Jean Gordon.2 From 1681, her married name became Duff.
Children of Helen Gordon and William Duff
- Helen Duff2 b. 1682, d. Jul 1746
- Catherine Duff+2 b. 1683, d. 20 Dec 1758
- Mary Duff2 b. 1684
- Isabel Duff+2 b. 1688
- Alexander Duff2 b. 1690
- Elizabeth Duff2 b. c 1692
- Jean Duff2 b. 1694
- William Duff, 1st Earl Fife+1 b. 1697, d. 30 Sep 1763
- Ludovick Duff2 b. 1698
- [S37] BP2003 volume 1, page 1426. 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.”
George Gordon of Edinglassie1 
Child of George Gordon of Edinglassie
- [S37] BP2003 volume 1, page 1426. See link for full details for this source. Hereinafter cited as. [S37]
Helen Duff1 
From 22 October 1702, her married name became Sutherland.1
- [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 1204. See link for full details for this source. Hereinafter cited as. [S37]
William Sutherland1 
He lived at Roscommon, County Roscommon, IrelandG.1
Catherine Duff1 
Children of Catherine Duff and Alexander Duff, 1st of Hatton
- Helen Duff1 d. 1796
- Patrick Duff1
- Jane Duff1
- Margaret Duff1
- Alexander Duff, 2nd of Hatton+1 b. 26 Mar 1718, d. 3 Nov 1764
- John Duff+1 b. 14 Jan 1726/27, d. 2 Aug 1787
- James Duff+1 b. 1 Jan 1728/29, d. 19 Nov 1804
- [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.”
Alexander Duff1 
Children of Alexander Duff and Mary Leslie
- Mary Duff+1 b. 1788, d. Mar 1858
- Helen Duff+1 b. 1789, d. 1873
- Margaret Duff1 b. 1791, d. 1803
- [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 
- [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 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.”
Isabel Duff1 
Her married name became Mackintosh.1
Children of Isabel Duff and Alexander Mackintosh of Blervie
- William Mackintosh1 b. 1707
- John Mackintosh1 b. 1708
- Jean Mackintosh1 b. 1709
- Helen Mackintosh1 b. 1710
- Alexander Mackintosh1 b. 1711
- Katherine Mackintosh+1 b. 1712
- James Mackintosh1 b. 1713
- Mary Mackintosh1 b. 1715
- Elizabeth Mackintosh+1 b. 1716
- Lachlan Mackintosh1 b. 1717
- Magdalen Mackintosh1 b. 1718
- Ludovick Mackintosh1 b. 1719
- Janet Mackintosh1 b. 1720
- Anne Mackintosh1 b. 1721
- Alexander Mackintosh1 b. 1723
- John Mackintosh1 b. 1724
- Isabel Mackintosh1 b. 1725
- Rachel Mackintosh1 b. 1726
- George Mackintosh1 b. 1727
- Charles Mackintosh1 b. 1729
- Christina Mackintosh1 b. 1730
- Mary Mackintosh1 b. 1731
- [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.”
