Major John Francis Houstoun-Boswall1 
He was educated at Wellington College, Crowthorne, Berkshire, EnglandG.1 He fought in the First World War, where he was mentioned in despatches.1 He gained the rank of Major in the 1st Royal Dragoons (Special Reserve.)1 He was Aide-de-Camp to the Governor of South Australia between 1920 and 1922.1 He fought in the Second World War.1
Charles James Gwyer1
Child of Charles James Gwyer
- Cecil Marjorie Gwyer2 d. 13 Apr 1971
Cecil Marjorie Gwyer1 
From 11 August 1951, her married name became Houstoun-Boswall.1
Evelyn Lucy Houstoun-Boswall1

Edwin Copeland Waller1
Child of Edwin Copeland Waller
- Daisy Copeland Waller+2 d. 22 Jun 1965
Daisy Copeland Waller1 
From 11 July 1916, her married name became Houstoun-Boswall.1
Children of Daisy Copeland Waller and Sir Gordon Houstoun-Boswall of Blackadder, 6th Bt.
- Sir Thomas Houstoun-Boswall of Blackadder, 7th Bt.+2 b. 13 Feb 1919, d. 16 May 1982
- Alistair Houstoun-Boswall2 b. 16 Jan 1931
Sir Thomas Houstoun-Boswall of Blackadder, 7th Bt.1 
He was educated at Nautical College, Pangbourne, Berkshire, EnglandG.1 He fought in the Second World War.1 He gained the rank of Pilot Officer in the Royal Air Force Volunteer Reserve.1 He succeeded as the 7th Baronet Houstoun, of Calderhall [U.K., 1836] on 28 February 1961.1
Children of Sir Thomas Houstoun-Boswall of Blackadder, 7th Bt. and Margaret Bullen-Smith
- Amber Georgina Houstoun-Boswall+2 b. 5 Jun 1946
- Sir Thomas Alford Houstoun-Boswall of Blackadder, 8th Bt.+2 b. 23 May 1947
Child of Sir Thomas Houstoun-Boswall of Blackadder, 7th Bt. and Anne-Lucie Naquet
- Sophie Houstoun-Boswall+2 b. 10 Jun 1973
- [S37] BP2003 volume 2, page 1981. 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.
George Bullen-Smith1
Child of George Bullen-Smith
- Margaret Bullen-Smith+2 b. c 1918, d. 21 Jan 2013