Hon. Mary Katherine Onslow1 
- [S37] BP2003 volume 2, page 3019. See link for full details for this source. Hereinafter cited as. [S37]
Hon. Katherine Elizabeth Onslow1 
- [S37] BP2003 volume 2, page 3019. See link for full details for this source. Hereinafter cited as. [S37]
Hon. Emily Marian Onslow1 
- [S37] BP2003 volume 2, page 3019. See link for full details for this source. Hereinafter cited as. [S37]
Lady Mary Augusta Onslow1 
- [S37] BP2003 volume 2, page 3019. See link for full details for this source. Hereinafter cited as. [S37]
Susannah Elizabeth Hiller1 
From 28 May 1812, her married name became Onslow.1
Children of Susannah Elizabeth Hiller and Hon. Thomas Cranley Onslow
- unknown daughter Onslow1
- unknown daughter Onslow1
- George Augustus Cranley Onslow+1 b. 14 May 1813, d. 13 Apr 1855
- Guildford James Hiller Mainwaring-Ellerker-Onslow+1 b. 29 Mar 1814, d. 20 Aug 1882
- Lt.-Col. Arthur Edward Onslow+1 b. 13 Nov 1815, d. 10 Jul 1897
- Thomas Frederick Onslow1 b. 15 Jan 1821, d. 15 Jul 1883
- [S37] BP2003 volume 2, page 3019. See link for full details for this source. Hereinafter cited as. [S37]
Nathaniel Hiller1
Children of Nathaniel Hiller
- Susannah Elizabeth Hiller+1 d. 26 Mar 1852
- Harriet Hiller2
unknown daughter Onslow1 
- [S37] BP2003 volume 2, page 3019. See link for full details for this source. Hereinafter cited as. [S37]
unknown daughter Onslow1 
- [S37] BP2003 volume 2, page 3019. See link for full details for this source. Hereinafter cited as. [S37]
Guildford James Hiller Mainwaring-Ellerker-Onslow1 
He was given the name of Guildford James Hiller Onslow at birth.1 On 19 August 1861 his name was legally changed to Guildford James Hiller Mainwaring-Ellerker-Onslow by Royal Licence.1 He held the office of Member of Parliament (M.P.) for Guildford.1 He gained the rank of officer in the Scots Fusilier Guards.1 He held the office of Deputy Lieutenant (D.L.)1 He lived at Risby Park, Yorkshire, England.1
Child of Guildford James Hiller Mainwaring-Ellerker-Onslow and Rosa Anna Onslow
- [S37] BP2003 volume 2, page 3019. See link for full details for this source. Hereinafter cited as. [S37]
Rosa Anna Onslow1 
From 19 August 1861, her married name became Mainwaring-Ellerker-Onslow.1
Child of Rosa Anna Onslow and Guildford James Hiller Mainwaring-Ellerker-Onslow
- [S37] BP2003 volume 2, page 3019. See link for full details for this source. Hereinafter cited as. [S37]
- [S98] Sir Bernard Burke, editor, Burke’s Genealogical and Heraldic History of the Landed Gentry, 5th edition, (London, England: Burke’s Peerage Ltd, 1875), page 1022. Hereinafter cited as Burke’s Landed Gentry, 5th ed.