See also this G2G discussion, which notes that Cokayne's The Complete Peerage do...

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See also this G2G discussion, which notes that Cokayne's The Complete Peerage does not mention Edith's mother, although thepeerage.com cites CP to support that Lettice "is said to be" Edith's mother:ThePeerage.com: Edith Stourton Cites: 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, page45 See archive.org's copy of volume II, page 45.

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