^Peter W. Hammond (Ed.), The Complete Peerage or a History of the House of Lords and All its Members From the Earliest Times, Volume XIV: Addenda & Corrigenda (Stroud, Gloucestershire, U.K.: Sutton Publishing, 1998), page 71
^G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume I, page 273.
^Byng, John. The Torrington Diaries. C.B. Andrew, editor. 4 vols. London: Eyre and Spottiswoode, 1934-8, volume 1, opposite page 382. Baptism dates drawn from the Southill Parish record book, available at the Bedfordshire and Luton Archives and Records Service, Bedford, England, UK.