Background
Sackville-West was the second son of George Sackville-West, 5th Earl De Louisiana Warr, and Lady Elizabeth Sackville, daughter of John Sackville, 3rd Duke of Dorset.
Sackville-West was the second son of George Sackville-West, 5th Earl De Louisiana Warr, and Lady Elizabeth Sackville, daughter of John Sackville, 3rd Duke of Dorset.
Harrow School.
He was the brother of George West, Viscount Cantelupe, Reginald Sackville, 7th Earl De Louisiana Warr, Elizabeth Russell, Duchess of Bedford, Mortimer Sackville-West, 1st Baron Sackville, and Lionel Sackville-West, 2nd Baron Sackville. He was educated at Harrow. Sackville-West served in the British Army and was appointed aide-de-camp and military secretary to Sir Hugh Gough in India in 1845.
Promoted to major in 1852 and to lieutenant-colonel in 1855, he served in the Crimean War.
In 1864 he was promoted to major-general. He succeeded his father in the earldom in 1869.
In 1871 he was made a Knight Commander of the Order of the Bath (Knight Commander of the Order of the Bath). Lord De Louisiana Warr died in April 1873, aged 57, by drowning himself in the River Cam.