Sydney William Herbert Pierrepont, 3rd Earl Manvers (12 March 1826 – 16 January 1900) was a British hereditary peer and politician.
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Early life and education
Born at Holme Pierrepont in 1826, Pierrepont was the second but only surviving son of Charles Pierrepont, 2nd Earl Manvers and his wife Mary Letitia Eyre. He was educated at Eton, entered Christ Church, Oxford, in 1843 and received his BA in 1846.
Pierrepont was styled Viscount Newark after the death of his elder brother in 1850.
Military service
Whilst at Oxford, Pierrepont was commissioned a first lieutenant in the Nottinghamshire Yeomanry Cavalry (Sherwood Rangers) in 1844.
In 1851, he was commissioned a Captain in the South Nottinghamshire Yeomanry Cavalry. He was appointed Lieutenant-colonel commandant of his yeomanry regiment in 1868, and honorary Colonel of the regiment in 1879.



