a possible birth date is 15 September 1363

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"Ralph de Neville, 1st Earl of Westmorland, 4th Baron Neville de Raby, Earl Marshal, KG, PC (c. 1364 – 21 October 1425), was an English nobleman of the House of Neville."

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Links:

http://en.wikipedia.org/wiki/Ralph_de_Neville,_1st_Earl_of_Westmorland

http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=48710209

http://www.geneall.net/U/per_page.php?id=1158

http://www.genealogy4u.com/genealogy/getperson.php?personID=I569&tree=western2007

http://histfam.familysearch.org/getperson.php?personID=I679&tree=EuropeRoyalNobleHous

http://histfam.familysearch.org/getperson.php?personID=I205&tree=Nixon

http://histfam.familysearch.org/getperson.php?personID=I679&tree=Dodge

http://www.luminarium.org/encyclopedia/ralphneville.htm

http://www.mathematical.com/nevilleralph1364.htm

http://our-royal-titled-noble-and-commoner-ancestors.com/p429.htm#i1287

http://www.thepeerage.com/p10164.htm#i101634

http://www.tudorplace.com.ar/NEVILLE2.htm#Ralph

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Citations / 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 XII/2, page 908. Hereinafter cited as The Complete Peerage.

[S6] Cokayne, and others, The Complete Peerage, volume XII/2, pages 544-547

[S6] Cokayne, and others, The Complete Peerage, volume I, page 152.

[S6] Cokayne, and others, The Complete Peerage, volume IX, page 504.

[S8] Charles Mosley, editor, Burke's Peerage and Baronetage, 106th edition, 2 volumes (Crans, Switzerland: Burke's Peerage (Genealogical Books) Ltd, 1999), volume 1, page 14. Hereinafter cited as Burke's Peerage and Baronetage, 106th edition.

[S8] Charles Mosley, Burke's Peerage and Baronetage, 106th edition, volume 1, page 14, says 1384.

[S8] Charles Mosley, Burke's Peerage and Baronetage, 106th edition, volume 1, page 15.

[S8] Charles Mosley, Burke's Peerage and Baronetage, 106th edition, volume 1, page 17.

[S125] Richard Glanville-Brown, online <e-mail address>, Richard Glanville-Brown (RR 2, Milton, Ontario, Canada), downloaded 17 August 2005.

[S11] Alison Weir, Britain's Royal Family: A Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 108. Hereinafter cited as Britain's Royal Family.

[S11] Alison Weir, Britain's Royal Family, page 109.