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Harley [née Holles], Henrietta Cavendish, countess of Oxford and Mortimerlocked

  • Lucy Worsley


Harley [née Holles], Henrietta Cavendish, countess of Oxford and Mortimer (1694–1755), patron of architecture, was born on 4 February 1694 at Newcastle House, Clerkenwell, Middlesex, the only child of John Holles, duke of Newcastle upon Tyne (1662–1711), and his wife, Lady Margaret Cavendish (1661–1716)...

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Historical Manuscripts Commission
National Archives of the United Kingdom, Public Record Office, London
H. Walpole, ed. W. S. Lewis & others, 48 vols. (1937–83)
, 63 vols. (1885–1900), suppl., 3 vols. (1901); repr. in 22 vols. (1908–9); 10 further suppls. (1912–96); (1993)