Career
George Augustus Cranley Onslow (1813–1855), married Mary Harriet Anne Loftus in 1848, father of William Onslow, 4th Earl of Onslow
Lieutenant-Colonel Arthur Edward Onslow (1815–1897), later Mainwaring-Ellerker-Onslow, married Margaret Anne Ferrers in 1846 and had issue
Thomas Frederick Onslow (15 January 1821 – 15 July 1883)
Charles? Townshend Onslow (30 May 1822 – 28 February 1823)
Susannah Augusta Arabella Onslow (8 November 1816 – 12 June 1899)
Elizabeth Harriet Onslow (17 October 1817 – 19 July 1824)
Harriet Charlotte Matilda Onslow (20 April 1826 – 11 July 1885)
Onslow served in the Scots Fusilier Guards. rising to the rank of lieutenant colonel. He was posted to the Cadiz garrison as a captain in 1810.
He was later Colonel of the 2nd Surrey Militia, up until 1852.
