Primary Sources

Proof of age for John son of Henry Beaumont, chevalier.
John was born at Folkingham on 14 August 1409, baptised in the church there on the 15 August, and was aged 21 on 14 August last.

Other Sources

[S6] 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 II, page 62. Hereinafter cited as The Complete Peerage.

[S6] Cokayne, and others, The Complete Peerage, volume I, page 421.

[S6] Cokayne, and others, The Complete Peerage, volume II, page 64.

[S108] Medieval Genealogy, corrections and additions to the Complete Peerage, online http://www.medievalgenealogy.org.uk/cp/. Hereinafter cited as Medieval Genealogy.

[S134] #65 Baronia Anglica Concentrata, Or, a Concentrated Account of All the Baronies Commonly Called Baronies in Fee: Deriving Their Origin from Writ of Summons, and Not from Any Specific Limited Creation (1843-1844), Banks, Thomas Christopher, (2 volumes. Ripon: Thomas C. Banks, 1843-44), FHL book Q 942 D22bt; FHL microfilm 845,140 items ., vol. 1 p. 121.

[S20] Magna Carta Ancestry: A study in Colonial and Medieval Families, Richardson, Douglas, (Kimball G. Everingham, editor. 2nd edition, 2011), vol. 1 p. 161.

[S20] Magna Carta Ancestry: A study in Colonial and Medieval Families, Richardson, Douglas, (Kimball G. Everingham, editor. 2nd edition, 2011), vol. 3 p. 211.

[S3] Medieval Lands: A Prosopography of Medieval European Noble and Royal Families, Cawley, Charles, (http://fmg.ac/Projects/MedLands), England, Earls - creations 1067-1122 [accessed 28 Jun 2006].

[S74] #550 The history and antiquities of the county of Leicester, Nichols, John, (4 volumes, each in 2 parts. London : Printed by and for J. Nichols, 1795-1815), FHL X book 942.54 H2nic., vol. 3 pt. 2 p. 743.

[S288] #761 Transactions [Leicestershire Archaeological and Historical Society] (1866-), Leicestershire Architectural and Archaeological Society, (Leicester: The Society, 1866-), FHL book 942.54 C4La., vol. 13 p. 148a.

[S25] #798 The Wallop Family and Their Ancestry, Watney, Vernon James, (4 volumes. Oxford: John Johnson, 1928), FHL book Q 929.242 W159w; FHL microfilm 1696491 it., vol. 3 p. 584.

[S16] #894 Cahiers de Saint-Louis (1976), Louis IX, Roi de France, (Angers: J. Saillot, 1976), FHL book 944 D22ds., vol. 2 p. 97.

[S147] #1132 History of Hertfordshire, Containing an Account of the Descents of the Various Manor, Pedigrees of Families Connected with the County, Antiquities, Local Customs, &C., &C: Chiefly Compiled from Original Mss, in the Record Office . . ., Cussans, John Edwin, (3 volumes. London: Chatto and Windus, 1870-1881), FHL book Q 942.58 H2cu., vol. 2 p. 174.

[S300] #242 [1978 edition] Genealogical History of the Dormant, Aberant, Forfeited, & Extinct Peerages, Burke, Sir Bernard, (Genealogical Publishing Co., Inc., Baltimore. 1978), 942 D22 bug 1978., p. 394.

[S830] Cylchgrawn Llyfrgell Genedlaethol Cymru = The National Library of Wales journal, National Library of Wales (Aberystwyth), (Aberystwyth [Wales] : Council of the Library, 1939- Ceased publication after 31 March 2008 v. 34 no. 2 (2008).), FHL microfilm 1426049 Item 8., vol. 25 no. 4 p. 392.

[S32] #150 [1879-1967] A Genealogical and Heraldic Dictionary of the Peerage and Baronetage, Together with Memoirs of the Privy Councillors and Knights (1879-1967), Burke, Sir John Bernard, (London: Harrison, 1879-1967), FHL book 942 D22bup., 1884 ed. vol. 1 p. 107.

[S333] #773 The History and Antiquities of the County of Rutland: Compiled from the Works of the Most Approved Historians, National Records and Other Authentic Documents, Public and Private (1811), Blore, Thomas, (Stanford: R. Newcomb, [1811]), FHL book 942.545 H2b (British X Large Folio)., vol. 1 pt. 2 p. 114.

[S33] #242 [1883 edition] A Genealogical History of the Dormant, Abeyant, Forfeited, and Extinct Peerages of the British Empire (New edition, 1883, reprint 1962), Burke, Sir John Bernard, (New edition. 1883. Reprint, London: Harrison and Sons, 1962), FHL book 942 D22bug 1883., p. 388.