Background
Exeter was the son of Brownlow Cecil, 4th Marquess of Exeter.
Exeter was the son of Brownlow Cecil, 4th Marquess of Exeter.
He was educated at Eton and Magdalene College, Cambridge.
Myra Orde-Powlett, daughter of William Orde-Powlett, 4th Baron Bolton, on 16 April 1901. They had four children:
Lady Letitia Sibell Winifred Brownlow-Cecil (b 20 November 1903), married Henry Hotham, 7th Baron Hotham and had issue. David George Brownlow Cecil, 6th Marquess of Exeter (1905–1981)
William Martin Alleyne Brownlowe Cecil, 7th Marquess of Exeter (1909–1988)
Lady Romayne Elizabeth Algitha Brownlow-Cecil (22 March 1915–2001), married Major Honorary
Peter Brassey, son of Henry Brassey, 1st Baron Brassey and had issue.