Anita Nicole Bourg1
From 4 December 1954, her married name became Hamill-Stewart.1
Children of Anita Nicole Bourg and Michael Patrick Hamill-Stewart
- Caroline Hamill-Stewart1 b. 30 Aug 1955
- Elizabeth Mary Hamill-Stewart1 b. 14 Aug 1958
- Mark Francis Hamill-Stewart+1 b. 22 Mar 1959
- Charles Edward Hamill-Stewart+1 b. 22 Mar 1959
- Mary-Louise Anne Hamill-Stewart1 b. 22 Mar 1959, d. Sep 2020
- [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.”
Francis Bourg1
Child of Francis Bourg
- [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.”
Mark Francis Hamill-Stewart1 
Child of Mark Francis Hamill-Stewart and Annabel Ley
- George Henry Hamill-Stewart1 b. 11 Feb 2000
- [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.”
Suzanne Parsons1
From 13 January 1990, her married name became Hamill-Stewart.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.”
Denis Parsons1
Child of Denis Parsons
- Suzanne Parsons1 b. 15 May 1963
- [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.”
Annabel Ley1
From 26 July 2000, her married name became Hamill-Stewart.1
Child of Annabel Ley and Mark Francis Hamill-Stewart
- George Henry Hamill-Stewart1 b. 11 Feb 2000
- [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.”
Charles Henry Ley1
Child of Charles Henry Ley
- [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.”
Lewis Ley1
- [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 Henry Hamill-Stewart1
- [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.”
Charles Edward Hamill-Stewart1 
Children of Charles Edward Hamill-Stewart and Estelle Phillips
- Angus John Hamill-Stewart1 b. 1993
- Christopher James Hamill-Stewart1 b. 1994
- Samuel Hamill-Stewart1 b. 1996
- Jessie Louise Hamill-Stewart1 b. 1998
- [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.”
