Samuel John Newing1
Child of Samuel John Newing
- Estelle Patricia Newing2 d. 1986
Estelle Patricia Newing1 
From 1967, her married name became Henniker-Heaton.
Gladys Meta Francis1 
From circa 1907, her married name became Montgomery.2 From 1939, her married name became Going.1 From 27 January 1947, her married name became Henniker-Heaton.
Children of Gladys Meta Francis and Thomas Alexander Montgomery
- Thomas Everard Montgomery2 b. 1908, d. 1944
- George E. Montgomery2 b. 1910, d. 1928
- Marguerite Beatrice Montgomery2 b. 1913, d. 2013
- [S37] BP2003 volume 2, page 1872. See link for full details for this source. Hereinafter cited as. [S37]
- [S9791] John Hanley-Landers, “re: Francis Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 26 May 2023. Hereinafter cited as “re: Francis Family.”
- [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.”
Captain Arthur Henniker-Heaton1 
He fought in the First World War.1 He was awarded the Order of St. Maurice and St. Lazarus of Italy.1 He gained the rank of Captain in the Royal Navy.1 He fought in the Second World War, and was mentioned in despatches.1
Children of Captain Arthur Henniker-Heaton and Vera Isabel Atherley
- Major Michael Hamilton Henniker-Heaton3 b. 3 Apr 1914, d. Dec 2004
- Lt.-Cdr. Robin John Henniker-Heaton+3 b. 28 Sep 1915, d. 7 Jul 1985
- [S37] BP2003 volume 2, page 1872. See link for full details for this source. Hereinafter cited as. [S37]
- [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.”
- [S37] BP2003. [S37]
- [S266] World War II Unit Histories – Officers, online http://www.unithistories.com/units_index/default.asp?file=../officers/personsx. Hereinafter cited as World War II Unit Histories – Officers.
Hamilton Atherley1
Child of Hamilton Atherley
- Vera Isabel Atherley+2 d. 11 Oct 1965
Vera Isabel Atherley1 
From 12 June 1913, her married name became Henniker-Heaton.
Children of Vera Isabel Atherley and Captain Arthur Henniker-Heaton
- Major Michael Hamilton Henniker-Heaton2 b. 3 Apr 1914, d. Dec 2004
- Lt.-Cdr. Robin John Henniker-Heaton+2 b. 28 Sep 1915, d. 7 Jul 1985
Major Michael Hamilton Henniker-Heaton1 
He fought in the Second World War.1 He gained the rank of Major in the Royal Signals.1
- [S37] BP2003 volume 2, page 1872. See link for full details for this source. Hereinafter cited as. [S37]
- [S37] BP2003. [S37]
- [S266] World War II Unit Histories – Officers, online http://www.unithistories.com/units_index/default.asp?file=../officers/personsx. Hereinafter cited as World War II Unit Histories – Officers.
Lt.-Cdr. Robin John Henniker-Heaton1 
He fought in the Second World War, and was mentioned in despatches.1 He gained the rank of Lieutenant-Commander (S) in the Royal Navy Volunteer Reserve.1 He was Assistant Treasurer of Sarawak.1
Children of Lt.-Cdr. Robin John Henniker-Heaton and Barbara Ayers
- Anthony Henniker-Heaton3 b. 15 Nov 1958
- Sally Henniker-Heaton3 b. 26 Feb 1961
- [S37] BP2003 volume 2, page 1872. See link for full details for this source. Hereinafter cited as. [S37]
- [S266] World War II Unit Histories – Officers, online http://www.unithistories.com/units_index/default.asp?file=../officers/personsx. Hereinafter cited as World War II Unit Histories – Officers.
- [S37] BP2003. [S37]
Julian Charles Grumbar1
Child of Julian Charles Grumbar
Sylvia Elizabeth Grumbar1
From 16 July 1951, her married name became Henniker-Heaton.