Captain Alan Hugh Hillgarth1 
He gained the rank of Captain in the Royal Navy.1 He was appointed Companion, Order of St. Michael and St. George (C.M.G.)1 He was appointed Officer, Order of the British Empire (O.B.E.)1 He was Naval Attaché to Madrid.4 He was Second World War, as head of MI6 in the Far East.4
Children of Captain Alan Hugh Hillgarth and Hon. Mary Sidney Katharine Almina Gardner
- Dr. Jocelyn Nigel Herbert Gardner Aubrey Hillgarth5 b. 22 Sep 1929
- Justin Francis Mariano Sebastian Hillgarth+4 b. Nov 1947
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
- [S9302] Martin Webber, “re: Simonds Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 10 Mar 2021. Hereinafter cited as “re: Simonds Family.”
- [S37] BP2003 volume 1, page 698. See link for full details for this source. Hereinafter cited as. [S37]
- [S3499] William Congreve, “re: Hillgarth Family,” e-mail message to BENR, 11 January 2009. Hereinafter cited as “re: Hillgarth Family.”
- [S37] BP2003. [S37]
Wilmott Henderson Hillgarth1
Child of Wilmott Henderson Hillgarth
- Captain Alan Hugh Hillgarth+2 b. 7 Jun 1899, d. 28 Feb 1978
- [S3499] William Congreve, “re: Hillgarth Family,” e-mail message to BENR, 11 January 2009. Hereinafter cited as “re: Hillgarth Family.”
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
Dr. Jocelyn Nigel Herbert Gardner Aubrey Hillgarth1
He graduated with a Doctor of Philosophy (Ph.D.)1 He lived in 2003 at 330 Waverley Street, Belmont, Massachusetts, U.S.A.G.1
- [S37] BP2003 volume 1, page 698. See link for full details for this source. Hereinafter cited as. [S37]
- [S9302] Martin Webber, “re: Simonds Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 10 Mar 2021. Hereinafter cited as “re: Simonds Family.”
- [S37] BP2003. [S37]
Nina Pantaleoni1 
From before 1966, her married name became Foster.2 From 1966, her married name became Hillgarth.2
- [S37] BP2003 volume 1, page 698. 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.
Richard Foster1 
- [S37] BP2003 volume 1, page 698. See link for full details for this source. Hereinafter cited as. [S37]
Sir John Edward Nourse Heygate, 4th Bt.1 
He was educated at Eton College, Windsor, Berkshire, EnglandG.3 He graduated from Balliol College, Oxford University, Oxford, Oxfordshire, EnglandG, with a Bachelor of Arts (B.A.)3 He was Assistant News Edintor, BBC.3 He gained the rank of Bombardier in the Royal Artillery.3 He fought in the Second World War.3 He wrote the book These Germans, published 1940.3 He succeeded as the 4th Baronet Heygate, of Southend, Essex [U.K., 1831] on 14 January 1940.3 He wrote the book A House for Joanna.3 He wrote the book Love and Death.3 He wrote the book Kurumba.3 He was a journalist and novelist.2 He wrote the book White Angel.3
Child of Sir John Edward Nourse Heygate, 4th Bt. and Gwyneth Eliot Lloyd
- Sir Richard John Gage Heygate, 6th Bt.+3 b. 30 Jan 1940

- [S37] BP2003 volume 1, page 698. 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.
- [S37] BP2003. [S37]
Ronald Nightingale1 
Children of Ronald Nightingale and Hon. Evelyn Florence Margaret Winifred Gardner
- William Benedict Herbert Nightingale+2 b. 1939
- Virginia Margaret Ann Nightingale2 b. 1943
William Benedict Herbert Nightingale1
He was a theatre critic for The Times.3 He lived in 2003 at 40 Broomhouse Road, London, EnglandG.1
Children of William Benedict Herbert Nightingale and Anne Redmon
- [S37] BP2003 volume 1, page 698. See link for full details for this source. Hereinafter cited as. [S37]
- [S37] BP2003. [S37]
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
Virginia Margaret Ann Nightingale1
She lived in 2003 at 67 Chesil Court, Chelsea Manor Street, London, EnglandG.1
James Waugh1