Elizabeth Macarthur1 
From 31 January 1867, her married name became Onslow.1 In 1892 her name was legally changed to Macarthur.1
Children of Elizabeth Macarthur and Captain Arthur Alexander Walton Onslow
- Rosa Sheila Macarthur-Onslow2 d. 14 Jul 1943
- Emily Susan Macarthur-Onslow2
- Maj.-Gen. James William Macarthur-Onslow+1 b. 7 Nov 1867, d. 17 Jan 1946
- Arthur John Macarthur-Onslow+2 b. 29 Apr 1873, d. 20 Apr 1953
- Brig.-Gen. George Macarthur-Onslow+2 b. 2 May 1875, d. 12 Sep 1931
- Arthur William Macarthur-Onslow2 b. 27 May 1877, d. 5 Nov 1914
- Francis Arthur Macarthur-Onslow+2 b. 7 Jun 1879, d. 3 Mar 1938
Hon. James Macarthur1
Child of Hon. James Macarthur
- Elizabeth Macarthur+1 d. 2 Aug 1911
- [S37] BP2003 volume 2, page 3015. See link for full details for this source. Hereinafter cited as. [S37]
Colin Basil Peter Bell1
Child of Colin Basil Peter Bell
- [S37] BP2003 volume 2, page 3015. See link for full details for this source. Hereinafter cited as. [S37]
Julienne Elizabeth Macarthur-Onslow1
- [S37] BP2003 volume 2, page 3015. See link for full details for this source. Hereinafter cited as. [S37]
Waldemar Henrik Rothe1
Child of Waldemar Henrik Rothe
- S/Ldr. Frederick Ludwig Rothe+1 b. 25 Aug 1898, d. 29 Nov 1992
- [S37] BP2003 volume 2, page 3014. See link for full details for this source. Hereinafter cited as. [S37]
Francis Arthur Macarthur-Onslow1 
He was given the name of Francis Arthur Onslow at birth.1
Children of Francis Arthur Macarthur-Onslow and Sylvia Raymond Chisholm
- Maj.-Gen. Sir Denzil Macarthur-Onslow+1 b. 5 Mar 1904, d. 30 Nov 1984
- Margaret Elizabeth Macarthur-Onslow+1 b. 1905
- Lt.-Col. Edward Macarthur-Onslow+1 b. 1 Oct 1909, d. 6 Feb 1980
- F/Lt. Andrew William Macarthur-Onslow1 b. 28 Dec 1917, d. 18 Jan 1943
- [S37] BP2003 volume 2, page 3014. See link for full details for this source. Hereinafter cited as. [S37]
Arthur John Macarthur-Onslow1 
He was given the name of Arthur John Onslow at birth.1 He was educated at Rugby School, Rugby, Warwickshire, England.1 He was educated at Trinity College, Cambridge University, Cambridge, Cambridgeshire, England.1 He gained the rank of Captain in the New South Wales Mounted Rifles.1 He fought in the Boer War in 1900, where he was wounded.1
Children of Arthur John Macarthur-Onslow and Christian Leslie Bell
- Lt.-Col. Richard Walton Macarthur-Onslow+1 b. 26 Sep 1904, d. 1981
- Robert Carstairs Macarthur-Onslow1 b. 13 Jan 1908, d. 16 Aug 1968
- Robina Elizabeth Macarthur-Onslow1 b. 11 May 1910
- Rosalind Sheila Macarthur-Onslow+1 b. 12 Aug 1917, d. 1997
- [S37] BP2003 volume 2, page 3014. See link for full details for this source. Hereinafter cited as. [S37]
Christian Leslie Bell1 
From 1902, her married name became Macarthur-Onslow.1
Children of Christian Leslie Bell and Arthur John Macarthur-Onslow
- Lt.-Col. Richard Walton Macarthur-Onslow+1 b. 26 Sep 1904, d. 1981
- Robert Carstairs Macarthur-Onslow1 b. 13 Jan 1908, d. 16 Aug 1968
- Robina Elizabeth Macarthur-Onslow1 b. 11 May 1910
- Rosalind Sheila Macarthur-Onslow+1 b. 12 Aug 1917, d. 1997
- [S37] BP2003 volume 2, page 3014. See link for full details for this source. Hereinafter cited as. [S37]
R. L. Bell1
Child of R. L. Bell
- Christian Leslie Bell+1 d. 8 Aug 1946
- [S37] BP2003 volume 2, page 3014. See link for full details for this source. Hereinafter cited as. [S37]
Lt.-Col. Richard Walton Macarthur-Onslow1 
He fought in the Second World War.1 He gained the rank of Lieutenant-Colonel in the Australian Light Horse.1
Children of Lt.-Col. Richard Walton Macarthur-Onslow and Lois Ruth Greene
- Richard Bowring Macarthur-Onslow+1 b. 16 Jul 1934
- John Walton Macarthur-Onslow1 b. 16 Feb 1943
- William Robert Macarthur-Onslow+1 b. 3 Jun 1945
- [S37] BP2003 volume 2, page 3014. See link for full details for this source. Hereinafter cited as. [S37]