John Holles, 1st Duke of Newcastle

John Holles, 1st Duke of Newcastle, KG, PC, (9 January 1662 – 15 July 1711) was the son of the Gilbert Holles, 3rd Earl of Clare and his wife Grace Pierrepont. Grace was daughter of William Pierrepont and granddaughter of Robert Pierrepont, 1st Earl of Kingston-upon-Hull.

Holles was born in Edwinstowe, Nottinghamshire in 1662 and on 1 March 1690, he married Lady Margaret Cavendish, a daughter of the 2nd Duke of Newcastle and they had one child, Lady Henrietta Cavendish Holles (1694–1755), who married the 2nd Earl of Oxford and Mortimer and was mother to Margaret Bentinck.

Honorary Titles
Preceded by The Earl of Craven	Lord Lieutenant of Middlesex 1689–1692	Succeeded by The Earl of Bedford
Preceded by The Earl of Craven	Custos Rotulorum of Middlesex 1689–1692	Succeeded by The Earl of Bedford
Preceded by The Duke of Devonshire	Lord Lieutenant of Nottinghamshire 1694–1711	Succeeded by Unknown
Preceded by The Duke of Leeds	Custos Rotulorum of the East Riding of Yorkshire 1699–1711	Succeeded by The Marquess of Carmarthen
Political offices
Preceded by The Duke of Buckingham and Normanby	Lord Privy Seal 1705–1711	Succeeded by The Bishop of Bristol
Legal Offices
Preceded by The Duke of Devonshire	Justice in Eyre north of the Trent 1711	Succeeded by The Duke of Leeds
Peerage of England
Preceded by New Creation	Duke of Newcastle-upon-Tyne 1689–1711	Succeeded by Extinct
Preceded by Gilbert Holles	Earl of Clare 1694–1711	Succeeded by Extinct