Sir William Dolben, 3rd Baronet (1727–1814) was a British Tory MP and a zealous campaigner for the abolition of slavery. He was born in Finedon, Northamptonshire, the only surviving son of Sir John Dolben, 2nd Baronet and his wife Elizabeth Digby (died 1730), daughter of William Digby, 5th Baron Digby and Lady Jane Noel. He was educated at Westminster School and Christ Church, Oxford, matriculating in 1744. After leaving Oxford he married in 1748 Judith, daughter of Somerset English, heiress to a considerable fortune. In 1756 he inherited the baronetcy on the death of his father. He was appointed High Sheriff of Northamptonshire for 1760 and in 1766 a verderer of Rockingham Forest. After a short period in early 1768 as a stopgap MP for Oxford University, he was returned at the general election in March 1768 as MP for Northamptonshire from 1768 to 1774. In 1780 he was re-adopted by the university and represented them again from 1780 until 1806. On 20 April 1797, he was appointed captain in the Northamptonshire volunteer cavalry regiment. During his long parliamentary career as an independent MP, he was a fervent advocate of

parliamentary reform In the United Kingdom, Reform Act is most commonly used for legislation passed in the 19th century and early 20th century to enfranchise new groups of voters and to redistribute seats in the House of Commons of the United Kingdom, House of Commons ...

and the abolition of slavery. He took up the abolitionist cause after he chanced to visit a

slave ship Slave ships were large cargo ships specially built or converted from the 17th to the 19th century for transporting slaves. Such ships were also known as "Guineamen" because the trade involved human trafficking to and from the Guinea coast i ...

docked in the port of London; the conditions he found on the ship so horrified him that he resolved at once to work for abolition.Hague, William ''Pitt the Younger'' Harper Collins 2004 pp.297-8 With the support of other abolitionists Dolben put forward a bill in 1788 to regulate conditions on board slave ships which was passed as the Slave Trade Act 1788 by a large majority. After the death of his first wife in 1771, he married in 1789 a second cousin, Charlotte Scotchmer, née Affleck. He died in Bury St Edmunds in 1814, aged eighty-seven, and was buried at Finedon church. He was succeeded in the title and estates by John English Dolben, his only surviving son from his first marriage.

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{{DEFAULTSORT:Dolben, William 1727 births 1814 deaths People from Finedon High Sheriffs of Northamptonshire Members of the Parliament of Great Britain for Oxford University Members of the Parliament of Great Britain for English constituencies British MPs 1768–1774 British MPs 1780–1784 British MPs 1784–1790 British MPs 1790–1796 British MPs 1796–1800 Members of the Parliament of the United Kingdom for the University of Oxford UK MPs 1801–1802 UK MPs 1802–1806 Baronets in the Baronetage of England English abolitionists People educated at Westminster School, London Alumni of Christ Church, Oxford