Katherine 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.”
Magdalen Duff1 
From after 1778, her married name became Macfarlane.4
Children of Magdalen Duff and Alexander Duff of Davidson
- John Duff, 6th of Drummuir4 b. 1772, d. 1836
- Vice-Admiral Archibald Duff, 7th of Drummuir4 b. 1773, d. 1858
- William Duff4 b. 1774, d. 26 Oct 1809
Children of Magdalen Duff and Rt. Rev. Andrew Macfarlane
- Andrew Macfarlane2
- Magdalen Alicia Seabury Macfarlane2 b. 18 Feb 1785
- Hugh Falconer Macfarlane2 b. 15 Jan 1788
- Robert Macfarlane2 b. 1789
- Arthur Macfarlane2 b. 28 Jun 1792
- [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.”
- [S6286] Clan MacFarlane and associated clans genealogy, online http://www.clanmacfarlanegenealogy.info. Hereinafter cited as Clan MacFarlane.
- [S526] Sir Bernard Burke, editor, Burke’s Genealogical and Heraldic History of the Landed Gentry, 13th edition, (London, England: Burke Publishing Co, 1921), page 529. Hereinafter cited as Burke’s Landed Gentry, 13th ed.
- [S35] BLG1965 volume 1, page 216. See link for full details for this source. Hereinafter cited as. [S35]
Rt. Rev. Andrew Macfarlane1 
He held the office of Bishop of Moray and Ross between 1787 and 1796.1
Children of Rt. Rev. Andrew Macfarlane and Magdalen Duff
- Andrew Macfarlane2
- Magdalen Alicia Seabury Macfarlane2 b. 18 Feb 1785
- Hugh Falconer Macfarlane2 b. 15 Jan 1788
- Robert Macfarlane2 b. 1789
- Arthur Macfarlane2 b. 28 Jun 1792
- [S35] BLG1965 volume 1, page 216. See link for full details for this source. Hereinafter cited as. [S35]
- [S6286] Clan MacFarlane and associated clans genealogy, online http://www.clanmacfarlanegenealogy.info. Hereinafter cited as Clan MacFarlane.
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.”
Andrew 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.”
Jane Lockhart1 
From 1666, her married name became Duff.1
Children of Jane Lockhart and William Duff
- James Duff+1 b. c 1674, d. 1709
- Mary Duff1 b. 1675
- Adam Duff1 b. 1676
- Magdalen Duff1 b. 1677
- Beatrix Duff1 b. 1678
- Margaret Duff1 b. 1681
- Jean Duff1 b. 1682
- William Duff1 b. 1684
- Katherine Duff1 b. 1688
- Isabel Duff1 b. 1689
- [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 
Children of James Duff and Jean Meldrum
- Joan Duff1 b. 1698
- Mary Duff1 b. 1699, d. 1780
- Margaret Duff1 b. 1700, d. 1789
- William Duff of Crombie+1 b. c 1701, d. 1781
- Helen Duff1 b. bt 1701 – 1706
- Janet Duff1 b. 1707
- [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 Meldrum1 
From 1696/97, her married name became Duff.1
Children of Jean Meldrum and James Duff
- Joan Duff1 b. 1698
- Mary Duff1 b. 1699, d. 1780
- Margaret Duff1 b. 1700, d. 1789
- William Duff of Crombie+1 b. c 1701, d. 1781
- Helen Duff1 b. bt 1701 – 1706
- Janet Duff1 b. 1707
- [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 P. Cooke1
Child of John P. Cooke
- [S2] Peter W. Hammond, editor, The Complete Peerage or a History of the House of Lords and All its Members From the Earliest Times, Volume XIV: Addenda & Corrigenda (Stroud, Gloucestershire, U.K.: Sutton Publishing, 1998), page 802. Hereinafter cited as The Complete Peerage, Volume XIV.