Henry Cavendish, 2nd Duke of Newcastle

Henry Cavendish, 2nd Duke of Newcastle-upon-Tyne, KG, PC (24 June 1630 – 26 July 1691), styled Viscount Mansfield until 1676, was an English politician who sat in the House of Commons from 1660 to 1676, and then inherited the dukedom.

Cavendish was the only son of William Cavendish, 1st Duke of Newcastle-upon-Tyne and his first wife, Elizabeth Basset. His maternal grandparents were William Basset and Judith Austen, daughter of Thomas Austen.

In April 1660, Lord Mansfield was elected Member of Parliament (MP) for Derbyshire in the Convention Parliament. He was elected MP for Northumberland in 1661 for the Cavalier Parliament. In 1676 inherited the title as Duke of Newcastle.

In 1652, Henry married Frances Pierrepont (b. 1 September 1630 in Thoresby, Nottinghamshire, d. 23 September 1695 in London) and they had six children:

The department of Manuscripts and Special Collections, The University of Nottingham holds a number of papers relating to the 2nd Duke of Newcastle: the Cavendish Papers (Pw 1), part of the Portland (Welbeck) Collection, includes some of his personal papers; and the Newcastle (Clumber) Collection (Ne) includes estate papers and family settlements from the time of the 2nd Duke.

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