William Cecil, 5th Marquess of Exeter

William Thomas Brownlow Cecil, 5th Marquess of Exeter, KG, CMG, TD (27 October 1876 – 1956), known as Lord Burghley from 1895 to 1898, was a British peer.

Exeter was the son of Brownlow Cecil, 4th Marquess of Exeter. He was educated at Eton and Magdalene College, Cambridge. In 1899 he acted temporarily as aide-de-camp to Major-General John Edward Boyes, with the 7th Brigade at Aldershot.

Lord Exeter married Hon. Myra Orde-Powlett, daughter of William Orde-Powlett, 4th Baron Bolton, on 16 April 1901.
They had four children:

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