Donna Isabella della Pura Onorati1
F, #301471
Last Edited=1 Aug 2008
Child of Donna Isabella della Pura Onorati and Colonel unknown Renzo
Citations
- [S37] BP2003 volume 2, page 1695. See link for full details for this source. Hereinafter cited as. [S37]
Air Marshal Sir John Cotesworth Slessor1 
M, #301472, d. 1979
Last Edited=27 Dec 2019

Air Marshal Sir John Slessor 2
He was awarded the Distinguished Service Order (D.S.O.)1 He was awarded the Military Cross (M.C.)1 He held the office of Deputy Lieutenant (D.L.)1 He was appointed Knight Grand Cross, Order of the Bath (G.C.B.)1 He gained the rank of Marshal of the Royal Air Force.1
Children of Air Marshal Sir John Cotesworth Slessor and Hermione Grace Guinness
- Juliet Hermione Slessor1 b. c 1924, d. 20 Dec 2019
- G/Capt. John Arthur Guinness Slessor+1 b. 14 Aug 1925, d. 11 Mar 2008
Citations
- [S37] BP2003 volume 2, page 1695. See link for full details for this source. Hereinafter cited as. [S37]
- [S130] Wikipedia, online http;//www.wikipedia.org. Hereinafter cited as Wikipedia.
- [S6448] Bram Sonneveld, "re: Oppenheimer Family," e-mail message to Darryl Roger LUNDY (101053), 27 November 2012. Hereinafter cited as "re: Oppenheimer Family."
- [S47] BIFR1976 page 531. See link for full details for this source. Hereinafter cited as. [S47]
unknown daughter Carter1
F, #301473
Last Edited=1 Aug 2008
unknown daughter Carter is the daughter of Lt.-Col. Herbert Francis George Carter and Hermione Grace Guinness.1
Citations
- [S37] BP2003 volume 2, page 1695. See link for full details for this source. Hereinafter cited as. [S37]
Juliet Hermione Slessor1 
F, #301474, b. circa 1924, d. 20 December 2019
Last Edited=27 Dec 2019
Juliet Hermione Slessor was born circa 1924.2 She was the daughter of Air Marshal Sir John Cotesworth Slessor and Hermione Grace Guinness.1 She married John Adolphus de Laszlo, son of Philip Alexius de Laszlo and Lucy Madeleine Guinness.2 She married, firstly, Jack Price.2 She died on 20 December 2019 at Godswell Park, Bloxham, Oxfordshire, England.2
Her married name became de Laszlo.2 Her married name became Price.2
Her married name became de Laszlo.2 Her married name became Price.2
unknown daughter Rawlins1
F, #301475
Last Edited=1 Aug 2008
Citations
- [S37] BP2003 volume 2, page 1695. See link for full details for this source. Hereinafter cited as. [S37]
Luis Guevara1
M, #301476
Last Edited=1 Aug 2008
Child of Luis Guevara and Ida Reimers
- Alvaro Guevara1 d. 11 Oct 1951
Citations
- [S37] BP2003 volume 2, page 1696. See link for full details for this source. Hereinafter cited as. [S37]
Judith A. Howard1
F, #301477
Last Edited=1 Aug 2008
Judith A. Howard married Julian Peter Alexander March Phillipps de Lisle, son of Major John Adrian Frederick March Phillipps de Lisle and Elizabeth Muriel Smyth Guinness, in 1968.1 She and Julian Peter Alexander March Phillipps de Lisle were divorced in 1970.1
From 1968, her married name became March Phillipps de Lisle.1
From 1968, her married name became March Phillipps de Lisle.1
Citations
- [S37] BP2003 volume 2, page 1695. See link for full details for this source. Hereinafter cited as. [S37]
Ida Reimers1
F, #301478
Last Edited=1 Aug 2008
Child of Ida Reimers and Luis Guevara
- Alvaro Guevara1 d. 11 Oct 1951
Citations
- [S37] BP2003 volume 2, page 1696. See link for full details for this source. Hereinafter cited as. [S37]
Captain Charles Weimar1
M, #301479
Last Edited=1 Aug 2008
Child of Captain Charles Weimar
Citations
- [S37] BP2003 volume 2, page 1696. See link for full details for this source. Hereinafter cited as. [S37]
Beatrice Mackay1
F, #301480
Last Edited=3 Sep 2013
Beatrice Mackay married, firstly, Nico Jungman in 1900.1 She and Nico Jungman were divorced in 1918.2 She married, secondly, Richard Sidney Guinness, son of Richard Seymour Guinness and Elizabeth Jane Susanna Darley, after 1918.1
From 1900, her married name became Jungman.1 From after 1918, her married name became Guinness.1
From 1900, her married name became Jungman.1 From after 1918, her married name became Guinness.1
Children of Beatrice Mackay and Nico Jungman
- Zita Jungman1 d. 18 Feb 2006
- Teresa Jungman1
Citations
- [S37] BP2003 volume 2, page 1696. See link for full details for this source. Hereinafter cited as. [S37]
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.