Hon. Guinevere Portman1 
- [S37] BP2003 volume 2, page 3190. See link for full details for this source. Hereinafter cited as. [S37]
Joan Portman1 
- [S37] BP2003 volume 2, page 3190. See link for full details for this source. Hereinafter cited as. [S37]
Harriette Mary Stevenson1 
Her married name became Portman. After her marriage, Harriette Mary Stevenson was styled as Viscountess Portman of Bryanston on 19 January 1923.
Children of Harriette Mary Stevenson and Claud Berkeley Portman, 4th Viscount Portman of Bryanston
- Edward Claud Berkeley Portman, 5th Viscount Portman of Bryanston+1 b. 8 Jul 1898, d. 14 Jul 1942
- Hon. Sylvia Grace Portman1 b. 19 Mar 1900, d. c 1985
- Hon. Jocelyn Portman+1 b. 27 May 1903
- [S37] BP2003 volume 2, page 3190. See link for full details for this source. Hereinafter cited as. [S37]
William Stevenson1
Child of William Stevenson
- Harriette Mary Stevenson+1 d. 22 Dec 1939
- [S37] BP2003 volume 2, page 3190. See link for full details for this source. Hereinafter cited as. [S37]
Hon. Sylvia Grace Portman1 
Her married name became Du Buisson.
- [S37] BP2003 volume 2, page 3190. See link for full details for this source. Hereinafter cited as. [S37]
Major Thomas Gerard Du Buisson1
He was awarded the Military Cross (M.C.)1 He was appointed Member, Order of the British Empire (M.B.E.)1 He gained the rank of Major in the Royal Artillery.1
- [S37] BP2003 volume 2, page 3190. See link for full details for this source. Hereinafter cited as. [S37]
Thomas Du Buisson1
Child of Thomas Du Buisson
- [S37] BP2003 volume 2, page 3190. See link for full details for this source. Hereinafter cited as. [S37]
Hon. Jocelyn Portman1 
Her married name became Emmet. She held the office of Justice of the Peace (J.P.)1
Children of Hon. Jocelyn Portman and Captain James Albert Garland Emmet
- Catherine Mary Emmet+3 b. 3 Apr 1925, d. 2 Sep 2009
- James Edward Robert Emmet+3 b. 25 Jul 1926
- Claud Ian Emmet3 b. 20 Jan 1928, d. 28 Apr 1941
- Lt.-Cdr. Patrick Simon Emmet+3 b. 6 Apr 1932
Captain James Albert Garland Emmet
Captain James Albert Garland Emmet usually went by his middle name of Garland.2 He was educated at Downside School, Bath, Somerset, EnglandG.1 He fought in the First World War.1 He was educated at Royal Military College, Sandhurst, Berkshire, EnglandG.1 He was commissioned in 1916, in the service of the Life Guards.1 He gained the rank of Captain in the 1st Life Guards.2 He lived between 1945 and 1967 at Altidore Castle, County Wicklow, IrelandG.1 He lived at Golf Cottage, Allee des Amazones, Le Touquet, FranceG.1
Children of Captain James Albert Garland Emmet and Hon. Jocelyn Portman
- Catherine Mary Emmet+2 b. 3 Apr 1925, d. 2 Sep 2009
- James Edward Robert Emmet+2 b. 25 Jul 1926
- Claud Ian Emmet2 b. 20 Jan 1928, d. 28 Apr 1941
- Lt.-Cdr. Patrick Simon Emmet+2 b. 6 Apr 1932
