Marie Rosalie de Bourdeille1 
From 7 March 1783, her married name became Onslow.1
Children of Marie Rosalie de Bourdeille and Hon. Edward Onslow
- George Louis André Onslow+1 b. 27 Jul 1784, d. 3 Oct 1852
- Maurice François Onslow+1 b. 15 Oct 1786, d. 15 Oct 1834
- Arthur Onslow+1 b. 9 May 1788, d. 25 Apr 1876
- Auguste Amabel Gabriel Onslow+2 b. 14 Jul 1790, d. 18 Oct 1859
Chevalier Jean de Bourdeille, Seigneur de Constance1
Child of Chevalier Jean de Bourdeille, Seigneur de Constance
- Marie Rosalie de Bourdeille+1 d. 20 Jan 1842
- [S37] BP2003 volume 2, page 3018. See link for full details for this source. Hereinafter cited as. [S37]
George Louis André Onslow1 
He was Membre de l’Institut de France et du Conservatoire Français.1 He was awarded the Chevalier, Ordre national de la Légion d’honneur.1
Children of George Louis André Onslow and Delphine de Fontanges
- Arthur Onslow1 b. 3 Jun 1809, d. 20 Oct 1862
- Georgine Onslow1 b. 16 Jun 1810, d. 1 May 1854
- Henrietta Onslow1 b. 13 Aug 1814, d. 18 Mar 1883
- [S37] BP2003 volume 2, page 3018. See link for full details for this source. Hereinafter cited as. [S37]
Delphine de Fontanges1
From 23 June 1808, her married name became Onslow.1
Children of Delphine de Fontanges and George Louis André Onslow
- Arthur Onslow1 b. 3 Jun 1809, d. 20 Oct 1862
- Georgine Onslow1 b. 16 Jun 1810, d. 1 May 1854
- Henrietta Onslow1 b. 13 Aug 1814, d. 18 Mar 1883
- [S37] BP2003 volume 2, page 3018. See link for full details for this source. Hereinafter cited as. [S37]
Marquis de Fontanges1
Child of Marquis de Fontanges
- [S37] BP2003 volume 2, page 3018. See link for full details for this source. Hereinafter cited as. [S37]
Arthur Onslow1 
- [S37] BP2003 volume 2, page 3018. See link for full details for this source. Hereinafter cited as. [S37]
Charlotte Costas1
Her married name became Onslow.1
- [S37] BP2003 volume 2, page 3018. See link for full details for this source. Hereinafter cited as. [S37]
Georgine Onslow1 
- [S37] BP2003 volume 2, page 3018. See link for full details for this source. Hereinafter cited as. [S37]
Comte unknown d’Hauterive1
- [S37] BP2003 volume 2, page 3018. See link for full details for this source. Hereinafter cited as. [S37]
Henrietta Onslow1 
- [S37] BP2003 volume 2, page 3018. See link for full details for this source. Hereinafter cited as. [S37]
