John Ponsonby, 4th Earl of Bessborough

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  1. "PONSONBY, John William, Visct. Duncannon (1781-1847)". historyofparliament.org.
  2. 1 2 Burke, John Bernard (1845). A Genealogical and Heraldic Dictionary of the Peerage and Baronetage of the British Empire. H. Colburn. p. 93. Retrieved 15 October 2016.
  3. 1 2 The London Encyclopaedia, Ben Weinreb & Christopher Hibbert, Macmillan, 1995, ISBN   0-333-57688-8.
  4. "Ponsonby, Emily Charlotte Mary"  . Dictionary of National Biography . London: Smith, Elder & Co. 1885–1900.
  5. "Spencer William Gore (1850–1906)". Epsom and Ewell History Explorer. Retrieved 15 October 2016.
  6. Debrett's Genealogical Peerage of Great Britain and Ireland. William Pickering. 1845. p. 82. Retrieved 15 October 2016.
  7. Burke's Peerage. 1949.
The Earl of Bessborough
PC
Bessborough4.JPG
Home Secretary
In office
19 July 1834 15 November 1834