Horatio Nelson, 3rd Earl Nelson (7 August 1823 – 25 February 1913) was a British politician.

He was the son of Thomas Bolton

Thomas Nelson, 2nd Earl Nelson

Thomas Nelson, 2nd Earl Nelson, born Thomas Bolton , was the 2nd Earl Nelson.He was the son of Thomas Bolton and Susannah Nelson, daughter of the Rev. Edmund Nelson and was educated at Norwich High School and St Peter's College, Cambridge, graduating MA in 1814. He was the nephew of Admiral...

 (a nephew of Horatio Nelson, 1st Viscount Nelson

Horatio Nelson, 1st Viscount Nelson

Horatio Nelson, 1st Viscount Nelson, 1st Duke of Bronté, KB was a flag officer famous for his service in the Royal Navy, particularly during the Napoleonic Wars. He was noted for his inspirational leadership and superb grasp of strategy and unconventional tactics, which resulted in a number of...

) by his wife Frances Elizabeth Eyre. On 28 February 1835 his father inherited the title Earl Nelson

Earl Nelson

Earl Nelson, of Trafalgar and of Merton in the County of Surrey, is a title in the Peerage of the United Kingdom. It was created on 20 November 1805 for William Nelson, 2nd Baron Nelson, older brother of the famous Admiral Horatio Nelson, 1st Viscount Nelson. The Nelson family had been settled in...

 from William Nelson, 1st Earl Nelson

William Nelson, 1st Earl Nelson

William Nelson, 1st Earl Nelson, 2nd Duke of Bronté was the elder brother of Horatio Nelson, 1st Viscount Nelson....

 and adopted the surname of Nelson. He died on 1 November that year, and his son Horatio succeeded to the title and the estate, Trafalgar House in Wiltshire

Wiltshire

Wiltshire is a ceremonial county in South West England. It is landlocked and borders the counties of Dorset, Somerset, Hampshire, Gloucestershire, Oxfordshire and Berkshire. It contains the unitary authority of Swindon and covers...

.

In the House of Lords

House of Lords

The House of Lords is the upper house of the Parliament of the United Kingdom. Like the House of Commons, it meets in the Palace of Westminster....

 Lord Nelson supported the Protectionist Tories under Lord Derby

Edward Smith-Stanley, 14th Earl of Derby

Edward George Geoffrey Smith-Stanley, 14th Earl of Derby, KG, PC was an English statesman, three times Prime Minister of the United Kingdom, and to date the longest serving leader of the Conservative Party. He was known before 1834 as Edward Stanley, and from 1834 to 1851 as Lord Stanley...

, and served as party chief whip

Conservative Chief Whip

This is a list of people who have served as Chief Whip of the Conservative Party, previously the Tory Party, in the Parliament of the United Kingdom.-House of Commons:*circa 1802: William Holmes*1832: none*1835: Sir George Clerk...

 in the Lords. However, when Lord Derby formed his first government

Conservative Government 1852

After the fall of Lord John Russell's Whig government in early 1852, the Tory leader Lord Derby formed a government. The Conservatives had been weakened by the defection of the Peelites, and many of the new Cabinet ministers were men of little experience. The government became known as the Who?...

 in February 1852, Nelson was replaced by Lord Colville of Culross

Charles Colville, 1st Viscount Colville of Culross

Charles John Colville, 1st Viscount Colville of Culross KT, GCVO, PC , known as The Lord Colville of Culross between 1849 and 1902, was a British nobleman, Conservative politician and courtier.-Background and education:...

. He never held government office.

Lord Nelson was married on 28 July 1845 to Lady Mary Jane Diana Agar, daughter of the second Earl of Normanton and granddaughter of the eleventh Earl of Pembroke. She died in 1904. They had several children, including Herbert Horatio, styled Viscount Trafalgar, who died in 1905, Thomas Horatio, who succeeded his father as fourth Earl Nelson, and Edward Agar Horatio, who eventually succeeded as fifth Earl in 1947.