Background
Exeter was the eldest son of Brownlow Cecil, 2nd Marquess of Exeter, and Isabella, daughter of William Stephen Poyntz, Member of Parliament.
Exeter was the eldest son of Brownlow Cecil, 2nd Marquess of Exeter, and Isabella, daughter of William Stephen Poyntz, Member of Parliament.
He was educated at Saint John"s College, Cambridge, where he was president of the University Pitt Club.
He served as Treasurer of the Household between 1866 and 1867 and as Captain of the Honourable Corps of Gentlemen-at-Arms between 1867 and 1868. Exeter played first-class cricket for the Marylebone Club and Cambridge University between 1847 and 1851. Exeter was elected to the House of Commons for South Lincolnshire in 1847, a seat he held until 1857, and then represented North Northamptonshire from 1857 to 1867.
He served under the Earl of Derby as Treasurer of the Household from 1866 to 1867, when he succeeded his father in the marquessate and entered the House of Lords.
In March 1867 Derby appointed him Captain of the Honourable Corps of Gentlemen-at-Arms, a post he held until December 1868, the last nine months under the premiership of Benjamin Disraeli. In 1866 he was admitted to the Privy Council.
Lord Exeter married Lady Georgina Sophia Pakenham, daughter of Thomas Pakenham, 2nd Earl of Longford, on 17 October 1848. They had at least nine children:
Brownlow Henry George, Lord Burghley, later the 4th Marquess of Exeter (1849–1898)
Lord Francis Horace Pierrepont (1851–1889), married Edith Brookes, daughter of Sir William Cunliffe Brooks, 1st Baronet.
Lord William (1854–1943), married (1) Mary Tyssen-Amherst, Baroness Amherst, (2) Violet Freer.
Lady Catherine Sarah (1861–1918), married Henry de Vere Vane, 9th Baron Barnard. Colonel Lord John Pakenham Joicey-Cecil (1867–1942)
Lady Isabella Georgiana Katherine (d 1903), married William Battie-Wrightson. Lady Mary Louisa Wellesley (d 1930), married James Hozier, 2nd Baron Newlands.
Lady Louisa Alexandrina (d 1950), died unmarried.
Lady Frances Emily (d 1951), died unmarried. The Marchioness of Exeter died in March 1909.
15th United Kingdom Parliament. 16th United Kingdom Parliament. 17th United Kingdom Parliament.
18th United Kingdom Parliament.
19th United Kingdom Parliament.