Peter Henry Duckworth 
Shirley Duckworth
Sophia Duckworth
Her married name became Schachter.1
Child of Sophia Duckworth and Dr. Stanley Schachter
- Elijah Sloane Duckworth-Schachter2 b. c 1969
Ralph Musbury Campbell Duckworth
Jack Claude Lousada1 
Child of Jack Claude Lousada and Natasha Georgina Antonovsky
- Alexandra Lousada+1 b. 1948
- [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.”
- [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 692. Hereinafter cited as The Complete Peerage, Volume XIV.
Sylvia Louise Edina Duckworth
Her married name became Horton-Fawkes.
Children of Sylvia Louise Edina Duckworth and Major Le Gendre George William Horton-Fawkes
- George Nicholas Le Gendre Horton-Fawkes b. 20 Sep 1925
- Eirolys Elizabeth Horton-Fawkes+ b. 13 Mar 1928, d. 22 Aug 2009
- Margaret Eleanor Horton-Fawkes+ b. 5 May 1931, d. 15 Mar 2009
Edmund Martin Arnold1
Children of Edmund Martin Arnold and Margaret Eleanor Horton-Fawkes
- Edmund M. G. Arnold1 b. 1958
- Jeremy R. Arnold1 b. 1960
- Justin T. Arnold1 b. 1962
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
George Nicholas Le Gendre Horton-Fawkes
Geraldine Inez Antoinette Harding1 
From before 1983, her married name became Beech.1 From 1983, her married name became Dalrymple-Hamilton.1
Children of Geraldine Inez Antoinette Harding and Major Rowland Beech
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
Margaret Eleanor Horton-Fawkes 
Children of Margaret Eleanor Horton-Fawkes and Edmund Martin Arnold
- Edmund M. G. Arnold1 b. 1958
- Jeremy R. Arnold1 b. 1960
- Justin T. Arnold1 b. 1962
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.